| Keuffel and Esser |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Jul-2007 |
| SOLID BRASS K & E SLIDE RULE TEMPLATE | $910.00 | 24-Jul-2007 | 8 |
| Keuffel & Esser K&E Engineering Slide Rule & C | $722.00 | 15-Jul-2007 | 25 |
| Vintage K&E ANALON SCIENCE ANALYSIS SLIDE RULE | $430.00 | 18-Jul-2007 | 14 |
| "Keuffel & Esser Duplex Slide Rule Oct 6, 1891 | $427.22 | 10-Jul-2007 | 10 |
| K&E Desk Slide Rule (20 inches long ) w/Case T | $376.00 | 16-Jul-2007 | 15 |
| RARE LARGE 7 FEET FT LONG K&E KEUFFEL ESSER SL | $326.87 | 14-Jul-2007 | 13 |
| Vintage Keuffel & Esser Co. Slide Rule #4110 | $234.98 | 15-Jul-2007 | 7 |
| RARE K&E Slide Rule #4110 Manual Signed by Aut | $191.79 | 04-Jul-2007 | 12 |
| Keuffel Esser K&E Deci-lon Slide Rule 68 1130 | $170.48 | 10-Jul-2007 | 21 |
| Big Slide Rule Slidedisk Emil Tröger Circular | $169.00 | 14-Jul-2007 | 1 |
| Big Slide Rule Slidedisk Emil Tröger Circular | $169.00 | 22-Jul-2007 | 1 |
| Big Slide Rule Slidedisk Emil Tröger Circular | $169.00 | 07-Jul-2007 | 1 |
| Slide Rule Slidedisk Emil Tröger Circular Slid | $149.00 | 14-Jul-2007 | 1 |
| Slide Rule Slidedisk Emil Tröger Circular Slid | $149.00 | 22-Jul-2007 | 1 |
| Slide Rule Slidedisk Emil Tröger Circular Slid | $149.00 | 07-Jul-2007 | 1 |
| K&E DECI-LON SLIDE RULE + CASE & INSTRUCTIONS | $144.48 | 14-Jul-2007 | 1 |
| "K&E SLIDE RULE, 20, LOG LOG DUPLEX DECITRIG" | $144.27 | 30-Jul-2007 | 12 |
| "K+E Decilon 10 68-1100 slide rule w/case, man | $142.50 | 20-Jul-2007 | 7 |
| Keuffel & Esser Co. Vintage Slide Rule | $125.00 | 20-Jul-2007 | 1 |
| KEUFFEL & ESSER CO SLIDE RULE 1900 4053-5 | $106.37 | 03-Jul-2007 | 6 |
| LOT VINTAGE K&E DRAFTING TOOLS CASES SLIDE RUL | $103.50 | 31-Jul-2007 | 4 |
| K&E 4081 LOG LOG DUPLEX DECITRIG SLIDE RULE w/ | $99.76 | 15-Jul-2007 | 1 |
| OLD KEUFFEL & ESSER ASSOCIATED SPRING CORP SLI | $92.00 | 24-Jul-2007 | 9 |
| Old K& E 20 1/2 inch slide rule KEUFFEL & ESSE | $92.00 | 06-Jul-2007 | 21 |
| Vintage Keuffel & Esser K & E Slide Rule #4181 | $86.00 | 26-Jul-2007 | 8 |
| Rare Antique K & E Stadia Surveyors Slide Rule | $86.00 | 01-Jul-2007 | 13 |
| KEUFFEL & ESSER <4093-3 > SLIDE RULE & CASE A+ | $77.00 | 22-Jul-2007 | 7 |
| Keuffel & Esser K&E 4081-3 slide rule w/ box a | $77.00 | 11-Jul-2007 | 9 |
| VINTAGE K & E MODEL 68-1100 DECI-LON SLIDE RUL | $76.99 | 09-Jul-2007 | 10 |
| "K&E 10"" Slide Rule 4081-3S (68-1215) w/Lthr | $74.95 | 28-Jul-2007 | 1 |
| "K&E 10"" Slide Rule 4081-3S (68-1215) w/Lthr | $74.95 | 31-Jul-2007 | 1 |
| "K&E 10"" Slide Rule 4081-3 (68-1210) w/Lthr C | $68.00 | 07-Jul-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULE 4081-5 X-LONG LOG L | $63.00 | 01-Jul-2007 | 19 |
| Keuffel & Esser Deci-Lon (tm) Scientific Slide | $63.00 | 14-Jul-2007 | 1 |
| 1963 slide rule for engineers K & E | $62.16 | 25-Jul-2007 | 2 |
| Vintage Keuffel & Esser 68 1100 Deci-Lon 10 Sl | $61.00 | 28-Jul-2007 | 12 |
| Vintage Keuffel & Esser Co. Deci-Lon Slide Rul | $60.95 | 29-Jul-2007 | 6 |
| 1947 K&E SLIDE RULE #N4081-3 W/LEATHER CASE | $58.00 | 01-Jul-2007 | 16 |
| Keuffel & Esser Slide rule 41-81-1 1947 with c | $57.99 | 22-Jul-2007 | 6 |
| SUPERB K&E Keuffel & Esser Deci-Lon Slide Rule | $57.99 | 12-Jul-2007 | 6 |
| KEUFFEL & ESSER K&E DECI-LON SLIDE RULE W/ CAS | $56.00 | 16-Jul-2007 | 10 |
| vintage K&E Slide Rule/Ruler Magnifier 4185-17 | $55.00 | 15-Jul-2007 | 7 |
| K&E 4053-3 & 68 1100 Decilon Keuffel Esser Sli | $55.00 | 08-Jul-2007 | 1 |
| K + E Slide Rule Magnifier | $55.00 | 21-Jul-2007 | 4 |
| Vintage K&E Deci-Lon 68-1100 Slide Rule w/Case | $53.51 | 29-Jul-2007 | 6 |
| K & E Slide Rules -Deci-Lon An Instruction Man | $52.99 | 18-Jul-2007 | 15 |
| "Vintage Keuffel & Esser 22"" Slide Rule, K & | $52.52 | 16-Jul-2007 | 14 |
| Keuffel & Esser Deci-lon Slide-Rule..........L | $52.00 | 17-Jul-2007 | 5 |
| Old K&E Pocket Slide Rule 4181-1C in Box Compl | $51.00 | 29-Jul-2007 | 9 |
| "K&E 5"" Pocket Slide Rule 4181-1 w/Lthr Case | $51.00 | 02-Jul-2007 | 6 |
| Keuffel & Esser K+E Deci-lon 68 1100 slide rul | $50.00 | 29-Jul-2007 | 7 |
| "Vintage Keuffel & Esser C0. Slide Rule, K & E | $49.99 | 15-Jul-2007 | 1 |
| "Excellent K+E 12"" Slide Rule With Original C | $47.99 | 11-Jul-2007 | 7 |
| Keuffel & Esser Slide Rule 68 1565 GP 12 Case | $46.25 | 29-Jul-2007 | 6 |
| "KEUFFEL & ESSER PAT. JUNE 5. 1900 SLIDE RULE | $46.00 | 22-Jul-2007 | 4 |
| "K&E 10"" Slide Rule 4093-3S 1930s Model w/Ori | $44.95 | 14-Jul-2007 | 1 |
| "4 SLIDE RULES + KEUFFEL & ESSER BOOK-ruler,en | $43.00 | 09-Jul-2007 | 7 |
| "Vintage K&E Planimeter, Slide Rule and Map me | $42.99 | 25-Jul-2007 | 7 |
| K+E SLIDE RULE LOG LOG DUPLEX DECITRIG -- LIKE | $41.90 | 07-Jul-2007 | 13 |
| K & E Keuffel & Esser 4080-3 log slide rule bo | $41.00 | 01-Jul-2007 | 4 |
| K&E Feuffel & Esser Slide Rule LOG LOG Duplex | $39.57 | 13-Jul-2007 | 12 |
| "Keuffel & Esser Co(K&E) 4181-1 Slide Rule, Ca | $39.00 | 29-Jul-2007 | 6 |
| Keuffel & Esser K&E Slide Rule & Case Near Min | $38.00 | 19-Jul-2007 | 5 |
| Keuffel & Esser Merchant's Slide Rule Model 40 | $38.00 | 04-Jul-2007 | 1 |
| K&E MODEL N4053-3 SLIDE RULE W/SLIDE MAGNIFIER | $38.00 | 19-Jul-2007 | 6 |
| LOT - 2 K&E SLIDE RULES 4181-1 & 4081-3 w case | $37.99 | 22-Jul-2007 | 6 |
| VINTAGE K & E CO SLIDE RULE~RULER MAGNIFIER & | $36.55 | 30-Jul-2007 | 10 |
| Keuffel & Esser Slide rule 68-1210 with leathe | $36.12 | 23-Jul-2007 | 8 |
| "K & E Deci-Lon, 4080-3, 2 slide rules in case | $36.00 | 22-Jul-2007 | 5 |
| KEUFFEL & ESSER MANNHEIM SLIDE RULE # 4041 K & | $35.56 | 29-Jul-2007 | 4 |
| ANTIQUE K&E SLIDE RULE MAGNIFER GLASS KEUFFEL | $34.33 | 29-Jul-2007 | 14 |
| Vintage K & E Doric 9068 Slide Rule w/Illini C | $34.01 | 18-Jul-2007 | 6 |
| Vintage Keuffel & Esser Co. K&E Slide Rule Wit | $33.51 | 14-Jul-2007 | 4 |
| "vintage K & E Log Log Slide Rule, 4 Keuffel & | $33.25 | 15-Jul-2007 | 6 |
| Keuffel & Esser Polyphase Slide Rule in Orig. | $33.25 | 15-Jul-2007 | 2 |
| slide rule KEUFFEL ESSER N4053-3 w/MAGNIFYING | $33.00 | 10-Jul-2007 | 8 |
| Vintage K&E Slide Rule Magnifier w Original Po | $33.00 | 26-Jul-2007 | 6 |
| Vintage K & E Polyphase Slide Rule w/ Case & B | $32.59 | 05-Jul-2007 | 8 |
| "K&E 10"" VINTAGE SLIDE RULE # N 4053-3 W/CASE | $32.50 | 08-Jul-2007 | 1 |
| K&E SLIDE RULE NO 4139 WITH HOLDER NICE VINTAG | $32.25 | 31-Jul-2007 | 5 |
| K&E Pocket slide rule 4081-1 with manual and m | $32.23 | 03-Jul-2007 | 5 |
| Keuffel & Esser Model 4081-3 Slide Rule | $32.00 | 14-Jul-2007 | 4 |
| K&E Feuffel & Esser Slide Rule GP-12 GP12 | $32.00 | 11-Jul-2007 | 7 |
| Vintage slide rule Keffel & Esser w Leather Ca | $32.00 | 09-Jul-2007 | 16 |
| Vintage Keuffel & Esser K&E Slide Rule 4181-1 | $32.00 | 07-Jul-2007 | 4 |
| "K & E 4181-1, 4088-3, N 9081-3, 3 slide rules | $31.99 | 22-Jul-2007 | 4 |
| Engineering K + E Slide Rule 1950's in leather | $31.50 | 25-Jul-2007 | 2 |
| Vintage Keuffel & Esser Mannheim Desk Slide Ru | $31.00 | 29-Jul-2007 | 6 |
| "Slide Rule, K & E, Keuffel & Esser, Case & Bo | $31.00 | 09-Jul-2007 | 1 |
| Keuffel & Esser Co. 4081-3 Slide Rule / Case / | $30.99 | 18-Jul-2007 | 4 |
| K&E 4080-3S Log Log Duplex Trig Slide Rule w/C | $30.99 | 23-Jul-2007 | 2 |
| "K & E 4081-3, K & E 4054, DIETZGEN 1733 slide | $30.00 | 28-Jul-2007 | 1 |
| "DORIC K&E 10"" Slide Rule 4091-3 1930s Model | $30.00 | 03-Jul-2007 | 1 |
| Vintage Keuffel & Esser Co. Duplex Glass Slide | $30.00 | 22-Jul-2007 | 5 |
| Vintage 1920's Keuffel & Esser Co. Slide Rule | $29.99 | 09-Jul-2007 | 1 |
| Keuffel & Esser K & E Slide Rules 4088-3 w/Box | $29.95 | 06-Jul-2007 | 1 |
| SLIDE RULE WITH LEATHER CASE/KEUFFEL & ESSER C | $28.77 | 30-Jul-2007 | 3 |
| K&E LOG LOG DUPLEX VECTOR SLIDE RULE #N 4083-3 | $28.00 | 08-Jul-2007 | 8 |
| K&E Keuffel & Esser 68 1210 Log Log Decitrig S | $27.00 | 14-Jul-2007 | 4 |
| K+E SLIDE RULES Self Instruction Manual KEUFFE | $27.00 | 01-Jul-2007 | 9 |
| Keuffel & Esser K&E 4081-3 Log Log Duplex Slid | $26.07 | 31-Jul-2007 | 3 |
| VINTAGE KEUFFEL & ESSER K&E Slide Rule ~ 4080- | $26.00 | 10-Jul-2007 | 8 |
| HUGE KEUFFEL ESSER SLIDE RULES DRAFTING TOOL L | $26.00 | 04-Jul-2007 | 5 |
| K E 1947 slide rule 4083-3 log log duplex vect | $24.99 | 08-Jul-2007 | 1 |
| Keuffel & Esser Polyphase Duplex SLIDE RULE 40 | $24.99 | 27-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER POLYPHASE 4053-5 SLIDE | $24.49 | 29-Jul-2007 | 2 |
| Keuffel & Esser Slide Rule No 4081-3 w Case & | $23.49 | 24-Jul-2007 | 6 |
| KEUFFEL & ESSER SLIDERULE N4053-5 | $23.00 | 01-Jul-2007 | 5 |
| K+E (K&E) Polyphase Duplex Decitrig 4071-3 Sli | $23.00 | 15-Jul-2007 | 5 |
| Nice Vintage K & E Kueffel Esser 4181 Slide Ru | $22.50 | 07-Jul-2007 | 11 |
| Vintage Slide Rule Books K&E 4071 5 Total | $22.48 | 18-Jul-2007 | 3 |
| 1940's K&E KEUFFEL ESSER 1st PLASTIC SLIDE RUL | $22.29 | 25-Jul-2007 | 4 |
| Keuffel & Esser K&E 4081 Log Duplex Decitrig s | $21.99 | 31-Jul-2007 | 1 |
| 4035 K&E Keuffel & Esser Slide Rule Oldest Mod | $21.84 | 23-Jul-2007 | 3 |
| 1950's K & E Log Log Duplex Decitrig SLIDE RUL | $21.75 | 24-Jul-2007 | 8 |
| Keuffel & Essler Slide Rule Pig Leather Case L | $21.72 | 31-Jul-2007 | 3 |
| vintage K & E Slide Rule 3 Keuffel & Esser Sli | $21.50 | 15-Jul-2007 | 4 |
| fine old slide rule by keuffel & esser co. top | $21.00 | 31-Jul-2007 | 4 |
| 2 RARE VINTAGE K&E KEUFFEL & ESSER SLIDE RULES | $20.51 | 12-Jul-2007 | 3 |
| KEUFFEL & ESSER POLYPHASE SLIDE RULE IN CASE | $20.50 | 01-Jul-2007 | 4 |
| KEUFFEL & ESSER SLIDE RULE w/ SHEATH MANUAL BO | $20.50 | 06-Jul-2007 | 5 |
| VINTAGE KEUFFEL & ESSER K&E Slide Rule ~ N4080 | $20.50 | 25-Jul-2007 | 3 |
| Old K&E Duplex Slide Rule W/Case | $20.49 | 23-Jul-2007 | 2 |
| 4081-3 K&E Keuffel & Esser Slide Rule 1947 | $20.49 | 23-Jul-2007 | 3 |
| 1959 K&E log log SlideRule w/ Leather Case | $20.00 | 04-Jul-2007 | 1 |
| "2 K & E 4081-3 SLIDE RULES, K & E 4054, DIETZ | $20.00 | 31-Jul-2007 | 1 |
| VINTAGE KRUFFEL & ESSER 877298 SLIDE RULE & CA | $19.99 | 19-Jul-2007 | 1 |
| K&E Keuffel & Esser Co. Slide Rule in Leather | $19.99 | 17-Jul-2007 | 1 |
| K&E Slide Rule - Model 4181-3 | $19.29 | 29-Jul-2007 | 3 |
| Vintage 1924 K&E Keuffel & Esser Slide Rule 40 | $19.10 | 02-Jul-2007 | 11 |
| MANNHEIM SLIDE RULE PHAMPHLET 1891 KEUFFEL & E | $18.60 | 11-Jul-2007 | 4 |
| LOT OLD DRAFTING TOOLS BOOKS KEUFFEL ESSER SLI | $18.37 | 31-Jul-2007 | 2 |
| slide rule K&E KEUFFEL ESSER D 4053-3 .. nice! | $18.19 | 04-Jul-2007 | 3 |
| 1950's Keuffel & Esser 4181-1 Slide Rule W/Cas | $18.00 | 29-Jul-2007 | 8 |
| "KEUFFEL & ESSER KE SLIDE RULE 4083-3 VINTAGE, | $17.61 | 12-Jul-2007 | 3 |
| KEUFFEL & ESSER CO. SLIDE RULE WITH CASE | $17.00 | 01-Jul-2007 | 4 |
| KEUFFEL & ESSER SLIDE RULE WITH ORIGINAL CASE | $16.75 | 14-Jul-2007 | 4 |
| "KEUFFEL & ESSER SLIDE RULE, BLONDE LEATHER CA | $16.61 | 28-Jul-2007 | 7 |
| "KEUFFEL & ESSER KE SLIDE RULE 639326 VINTAGE, | $16.58 | 29-Jul-2007 | 5 |
| "Old K&E,Keuffel & Esser Slide Rule,N4 081-3,L | $16.50 | 20-Jul-2007 | 1 |
| K&E Slide Rule 4081-3 and Leather Case | $16.50 | 26-Jul-2007 | 3 |
| VINTAGE~1947~KEUFFEL&ESSER~K&E~4081-3~SLIDE RU | $16.50 | 24-Jul-2007 | 5 |
| Keuffel & Esser Log Log Duplex Slide Rule w/in | $16.50 | 02-Jul-2007 | 5 |
| "Keuffel & Esser Slide Rule, 1900 patent, wood | $16.37 | 14-Jul-2007 | 5 |
| K+E FAVORITE SLIDE RULE # 4055 EXCELLENT SHAPE | $16.09 | 07-Jul-2007 | 2 |
| Keuffel & Esser Co. Slide Rule and Case | $16.01 | 19-Jul-2007 | 5 |
| Antique Keuffel & Esser Co. Cherry Wood Slide | $16.00 | 16-Jul-2007 | 3 |
| "2 SLIDE RULES POST, KEUFFEL & ESSER" | $15.75 | 08-Jul-2007 | 1 |
| Kueffel & Esser Slide Rule Indicator Glass NOS | $15.50 | 13-Jul-2007 | 3 |
| 1961 Keuffel Esser Slide Rule K12 Prep 681892 | $15.50 | 17-Jul-2007 | 9 |
| vintage large ivory 1920s slide rule keuffel e | $15.50 | 05-Jul-2007 | 5 |
| K&E 11-Scale Slide Rule with case - Pat. 1900 | $15.50 | 01-Jul-2007 | 4 |
| Keuffel & Esser Co. SLIDE RULE With Leather Ca | $15.50 | 04-Jul-2007 | 11 |
| K & E Model 68-1210 Log Log Duplex Decitrig Sl | $15.50 | 10-Jul-2007 | 5 |
| VINTAGE 1950'S K E LOG LOG DUPLEX DECITRIG SLI | $15.50 | 22-Jul-2007 | 4 |
| Slide Rule K & E 4081-3 with Case and Box | $15.50 | 28-Jul-2007 | 2 |
| "1947 Keuffel & Esser Co., Slide Rule- w/ Case | $15.20 | 16-Jul-2007 | 5 |
| Slide Ruler- Keuffel & Esser Co. Log Log Duple | $15.01 | 07-Jul-2007 | 6 |
| K&E BEGINNERS SLIDE RULE # 4058W NEW CONDITION | $15.00 | 16-Jul-2007 | 1 |
| LG LOT K&E KEUFFEL & ESSER LOG LOG SLIDE RULE | $14.99 | 29-Jul-2007 | 2 |
| Vintage K&E Beginner's Slide Rule 4058W | $14.99 | 04-Jul-2007 | 1 |
| KEUFFEL & ESSER LOG LOG DUPLEX VECTOR 4083-3 S | $14.99 | 09-Jul-2007 | 1 |
| K&E 4088-3 POLYPHASE SLIDE RULE PRE-1922 KEUFF | $14.99 | 21-Jul-2007 | 1 |
| 1962 EDITION K & E DECI-LON SLIDE RULES MANUAL | $14.99 | 27-Jul-2007 | 1 |
| Keuffel & Esser Co. Antique(1947) Slide Rule w | $14.95 | 17-Jul-2007 | 2 |
| K & E LOG LOG DUPLEX DECITRIG SLIDE RULE MANUA | $14.41 | 27-Jul-2007 | 1 |
| k&e slide rule 4081-3s | $14.00 | 20-Jul-2007 | 3 |
| Keuffel & Esser Slide Rule & Dalton Dead Recko | $13.95 | 08-Jul-2007 | 1 |
| Old Slide Ruler Lot DIETZGEN KEUFFEL X 6 | $13.95 | 10-Jul-2007 | 4 |
| K & E - KEUFFEL & ESSER 1947 SLIDE RULE(#4181- | $13.50 | 26-Jul-2007 | 4 |
| Keuffel & Esser Lawrence Engineering Slide Rul | $13.50 | 02-Jul-2007 | 3 |
| 1940 K&E KEUFFEL ESSER SLIDE RULE SPECIAL GOUL | $13.50 | 25-Jul-2007 | 3 |
| K+E Kueffel Esser Slide Rule Case Model 4083-3 | $13.50 | 24-Jul-2007 | 3 |
| OLD K & E Doric Slide Rule w Case NR | $13.00 | 10-Jul-2007 | 5 |
| Vintage K&E Keuffel & Esser DORIC SLIDE RULE 9 | $13.00 | 16-Jul-2007 | 2 |
| Mannheim Manual Duplex Slide Rules 1891 Keuffe | $12.86 | 02-Jul-2007 | 2 |
| Vintage 1947 Keuffel & Esser K&E SLIDE RULE 40 | $12.49 | 26-Jul-2007 | 4 |
| Vintage K&E Keuffel & Esser SLIDE RULE MAGNIFI | $12.49 | 16-Jul-2007 | 4 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE IN LEATHER | $12.27 | 17-Jul-2007 | 2 |
| K&E Keuffel Esser slide rule with leather case | $12.09 | 08-Jul-2007 | 1 |
| K & E LOG LOG DUPLEX DECITRIG SLIDE RULE MANUA | $12.00 | 29-Jul-2007 | 3 |
| Vintage Keuffel & Esser K&E 4081-3S Slide Rule | $11.67 | 29-Jul-2007 | 2 |
| "K&E 4081-3 (N4081-3) slide rule, laminated ed | $11.62 | 03-Jul-2007 | 6 |
| K&E Slide Rule Lot with Accessories | $11.51 | 24-Jul-2007 | 4 |
| Vintage K&E 13-Scale Slide Rule with case - NI | $11.51 | 01-Jul-2007 | 2 |
| K AND E SLIDE RULE MANUAL - VINTAGE 1955 | $11.50 | 15-Jul-2007 | 2 |
| SLIDE RULE (KEUFFEL & ESSER )#4080-3 | $11.50 | 31-Jul-2007 | 2 |
| OLD WOODEN Keuffel Esser Slide Rule | $11.11 | 11-Jul-2007 | 3 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE WITH CA | $11.00 | 04-Jul-2007 | 2 |
| EX Vintage '28 KEUFFEL & ESSER Engineer Wood S | $10.53 | 16-Jul-2007 | 3 |
| Vintage Keuffel & Esser Slide Rule With Leathe | $10.50 | 22-Jul-2007 | 5 |
| Vintage Slide Rule Keuffel & Esser Hard Case 4 | $10.50 | 03-Jul-2007 | 4 |
| Old KEUFFEL & ESSER Log Log DUPLEX Bamboo SLID | $10.50 | 18-Jul-2007 | 2 |
| KEUFFEL & ESSER K&E SLIDE RULE WITH CASE (4081 | $10.49 | 23-Jul-2007 | 2 |
| NEAR MINT IN CASE VINTAGE KEUFFEL ESSER SLIDE | $10.49 | 25-Jul-2007 | 2 |
| "K&E 1947 slide rule 12 1/2"" N4080-3 w/case" | $10.49 | 08-Jul-2007 | 2 |
| Slide Rule KEUFFEL ESSER N4053-3 w/Case K&E | $10.49 | 17-Jul-2007 | 2 |
| 1908 KEUFFEL & ESSER SLIDE RULE 4092 | $10.49 | 29-Jul-2007 | 2 |
| Vintage Keuffel & Esser Slide rule w/ original | $10.49 | 21-Jul-2007 | 2 |
| 1947 Keuffel & Esser NO. 4168 Slide Rule in Bo | $10.07 | 12-Jul-2007 | 2 |
| Keuffel & Esser K&E 4081-3 slide rule with Lea | $10.00 | 23-Jul-2007 | 1 |
| slide rule K&E KEUFFEL ESSER 4080-3 .. nice!! | $10.00 | 04-Jul-2007 | 1 |
| Keuffel & Esser Co. Slide Rule K&E 4053-3s in | $10.00 | 04-Jul-2007 | 1 |
| vintage Keuffel & Esser slide rule N4053 OLD w | $9.99 | 17-Jul-2007 | 1 |
| ANTIQUE KEUFFEL & ESSER SLIDE RULE SLIDE RULER | $9.99 | 15-Jul-2007 | 1 |
| Early K&E WOOD SLIDE RULE with case 1900 | $9.99 | 17-Jul-2007 | 1 |
| Vintage K&E Slide Rule Keuffel & Esser - 1924 | $9.99 | 15-Jul-2007 | 1 |
| K E Keuffel Esser 4081-3S Log Log Duplex Slide | $9.99 | 01-Jul-2007 | 1 |
| Keuffel & Esser Log Log Duplex Trig Slide Rule | $9.99 | 29-Jul-2007 | 1 |
| Lot of 2 Keuffel & Esser Slide Rules: 4058 and | $9.99 | 27-Jul-2007 | 2 |
| 3 Slide Rules w/ Cases; Keuffel & Esser Co. & | $9.99 | 27-Jul-2007 | 1 |
| KEUFFEL & ESSER MANNHEIM SLIDE RULE # 4041 K & | $9.99 | 27-Jul-2007 | 2 |
| K & E EVER THERE VINTAGE SLIDE RULE KEUFFEL ES | $9.99 | 04-Jul-2007 | 1 |
| Keuffel & Esser Co. 4081-3 Slide Rule w Leathe | $9.99 | 21-Jul-2007 | 1 |
| Keuffel & Esser Slide Rule with Self Teaching | $9.99 | 27-Jul-2007 | 1 |
| Lot of 5 Vintage Slide Rules Box & Case - K&E | $9.99 | 27-Jul-2007 | 1 |
| ANTIQUE K&E FAVORITE SLIDE RULE WITH MANNHEIM | $9.99 | 28-Jul-2007 | 1 |
| KEUFFEL & ESSER Slide Rule # 4031 | $9.99 | 29-Jul-2007 | 2 |
| "12"" KEUFFEL & ESSER SLIDE RULE W/LEATHER CAS | $9.99 | 19-Jul-2007 | 1 |
| Keuffel & Esser Co Slide Rule 4092-3 / Leather | $9.99 | 23-Jul-2007 | 1 |
| Antique Keuffel & Esser Co Slide Rule 4053-2 w | $9.99 | 20-Jul-2007 | 1 |
| "Vintage Keuffel & Esser C0. Slide Rule, K & E | $9.99 | 23-Jul-2007 | 1 |
| Vintage Slide Rule By Keuffel & Esser Co #5010 | $9.99 | 29-Jul-2007 | 1 |
| K&E Feuffel & Esser Pocket 6 Slide Rule 4097 C | $9.99 | 11-Jul-2007 | 1 |
| ANTIQUE KEUFFEL & ESSER K&E SLIDE RULE | $9.99 | 09-Jul-2007 | 2 |
| Early K&E 20-Scale Slide Rule with case - NICE | $9.99 | 01-Jul-2007 | 1 |
| 1937 Keuffel & Esser Slide Rule Pat#2086502 | $9.99 | 22-Jul-2007 | 1 |
| KEUFFEL & ESSER POLYPHASE DUPLEX DECITRIG SLID | $9.99 | 04-Jul-2007 | 1 |
| Vintage K & E Polyphase Duplex Trig Slide Rule | $9.99 | 29-Jul-2007 | 1 |
| K&E SLIDE RULE KEUFFEL & ESSER WITH CASE #4088 | $9.99 | 01-Jul-2007 | 1 |
| Keuffel & Esser/K&E #4081-3 Slide Rule w/Leath | $9.99 | 30-Jul-2007 | 2 |
| Keuffel & Esser Polyphase Duplex Slide Rule 19 | $9.99 | 12-Jul-2007 | 1 |
| "Keuffel & Esser Pocket Slide Rule 4161-1 + Ca | $9.99 | 18-Jul-2007 | 1 |
| Slide Rule Case Keuffel & Esser Copyright 1947 | $9.99 | 26-Jul-2007 | 1 |
| K&E #4097C small slide rule with leather case. | $9.99 | 22-Jul-2007 | 1 |
| KEUFFEL & ESSER Slide Rule French Ivory Mahoga | $9.99 | 15-Jul-2007 | 1 |
| 1932 KEUFFEL SLIDE RULE TRADE CATALOG VERY GOO | $9.99 | 13-Jul-2007 | 1 |
| Vintage 1947 Keuffel Esser Wooden Sterling Sli | $9.95 | 15-Jul-2007 | 1 |
| Old 1932 The Mannheim Slide Rule Manual Keuffe | $9.95 | 26-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE AND LEA | $9.95 | 16-Jul-2007 | 1 |
| K&E KEUFFEL & ESSER SLIDE RULE 4053-3 PLUS RUL | $9.95 | 24-Jul-2007 | 1 |
| ANTIQUE VINTAGE 1915 KEUFFEL & ESSER SLIDE RUL | $9.90 | 20-Jul-2007 | 1 |
| "K & E 10"" SLIDE RULE N4053-3 w/ CASE 1954 MA | $9.49 | 01-Jul-2007 | 2 |
| VINTAGE KEUFFEL & ESSER K&E SLIDE RULE ORIGINA | $9.09 | 29-Jul-2007 | 1 |
| K + E Manual - Log Log Duplex Decitrig Slide R | $9.05 | 12-Jul-2007 | 5 |
| Vintage Keuffel & Esser Slide Rule w/ Leather | $9.00 | 13-Jul-2007 | 2 |
| ANTIQUE~KEUFFEL ESSER SLIDE RULE & ORIGINAL BO | $9.00 | 31-Jul-2007 | 1 |
| "Keuffel & Esser Slide Rule + Self-Teach Manua | $8.95 | 22-Jul-2007 | 1 |
| Vintage Keuffel & Esser Co. N.Y. Slide Rule | $8.95 | 24-Jul-2007 | 1 |
| (2) Keuffel & Esser Slide rule booklets | $8.88 | 11-Jul-2007 | 3 |
| "K&E Log Log Duplex Decitrig No. 4081, slide R | $8.51 | 30-Jul-2007 | 8 |
| "Vemco Compass, K & E Slide Rule, Pocket Chum | $8.50 | 01-Jul-2007 | 4 |
| K&E SLIDE RULE WITH LEATHER CASE | $8.09 | 27-Jul-2007 | 6 |
| KEUFFEL & ESSER 4081-3 SLIDE RULE & MANUAL DEC | $8.00 | 01-Jul-2007 | 5 |
| DIETZGEN SLIDE RULE K & E CASE TRIG TYPE LOG M | $7.99 | 23-Jul-2007 | 1 |
| Vintage Keuffel & Esser 4053-3 Slide Rule with | $7.99 | 15-Jul-2007 | 2 |
| 1925 Keuffel & Esser Slide Rule Manual | $7.99 | 31-Jul-2007 | 1 |
| K&E Keuffel & Esser Slide Rule #4080-3 with ca | $7.40 | 19-Jul-2007 | 2 |
| K & E MANNHEIM SLIDE RULE 4041/ CASE KEUFFEL & | $7.17 | 22-Jul-2007 | 2 |
| Keuffel & Esser Co slide rule- 4153-1 w case | $7.07 | 07-Jul-2007 | 2 |
| 1961 KEUFFEL & ESSER K12 Prep Slide Rule 4158 | $6.50 | 01-Jul-2007 | 1 |
| Vintage Keuffel Esser K&E Slide Rule w/Case 40 | $6.50 | 23-Jul-2007 | 2 |
| KEUFFEL & ESSER SLIDE RULE N4053-3 WITH LEATHE | $6.00 | 19-Jul-2007 | 2 |
| "KEUFFEL & ESSER CO. SLIDE RULE INSTRUCTIONS, | $6.00 | 08-Jul-2007 | 1 |
| Keuffel & Esser POLYPHASE SLIDE RULE Instructi | $6.00 | 12-Jul-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULE MANUAL LOG LOG DUPL | $6.00 | 24-Jul-2007 | 5 |
| 1936 KEUFFEL & ESSER DRAFTING / ACCOUNTING SLI | $5.95 | 25-Jul-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULE K&E 4092-3 Log Dupl | $5.50 | 18-Jul-2007 | 2 |
| Slide Rule Accumath 500 w/ K+E Cases Manuals B | $5.50 | 08-Jul-2007 | 2 |
| 1932 Keuffel & Esser Log Log Duplex Slide Rule | $5.00 | 08-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE MANUAL | $5.00 | 28-Jul-2007 | 2 |
| K&E SLIDE RULE VINTAGE ??? | $5.00 | 07-Jul-2007 | 2 |
| Keuffle & Esser. and Federic Post Co. Slide ru | $4.99 | 04-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE W/BOX 4058W | $4.99 | 29-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE WITH CASE & | $4.99 | 26-Jul-2007 | 1 |
| K & E slide rule with leather case nice | $4.99 | 24-Jul-2007 | 1 |
| Vintage 1939 K&E Keuffel & Esser SLIDE RULE 40 | $4.95 | 16-Jul-2007 | 1 |
| Latest Patent 1924 Keuffel and Esser Slide Rul | $4.25 | 08-Jul-2007 | 2 |
| Kueffel & Esser Vintage Slide Ruler & Leather | $4.00 | 30-Jul-2007 | 1 |
| "(2) vintage Keuffel & Esser slide rules, 4053 | $3.99 | 27-Jul-2007 | 1 |
| 1932 K&E Log Log Duplex Slide Rule Manual Book | $3.99 | 15-Jul-2007 | 6 |
| 1920's Keuffel & Esser Wooden Slide Rule 4058W | $3.99 | 28-Jul-2007 | 1 |
| Keuffel & Esser Log Log Duplex Trig Slide Rule | $3.99 | 05-Jul-2007 | 1 |
| 1944 K & E POLYPHASE SLIDE RULE MANUAL/KEUFFEL | $3.99 | 30-Jul-2007 | 1 |
| Keuffel &Esser Co. Slide Rule Model 4080-3 wit | $3.95 | 23-Jul-2007 | 1 |
| 1947 K&E Keuffel & Esser DORIC T SLIDE RULE MA | $3.95 | 26-Jul-2007 | 1 |
| Keuffel & Esser Slide Rule in Leather Case fro | $3.85 | 15-Jul-2007 | 5 |
| Keuffel & Esser LOG LOG TRIG Slide Rule Manual | $3.25 | 05-Jul-2007 | 4 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $2.95 | 09-Jul-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $2.95 | 02-Jul-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $2.95 | 23-Jul-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $2.95 | 30-Jul-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $2.95 | 16-Jul-2007 | 1 |
| Quick & Easy Lawrence Slide Rule Instruction B | $2.59 | 19-Jul-2007 | 1 |
| VINTAGE KEUFFEL & ESSER CO. N.Y. SLIDE RULE f | $2.25 | 18-Jul-2007 | 3 |
| 1955 K & E Slide Rule Manual Log Log Duplex De | $2.24 | 18-Jul-2007 | 2 |
| Keuffel & Esser K-12 Prep Slide Rule 68 1892 | $2.00 | 08-Jul-2007 | 3 |
| 1938 K&E POLYPHASE SLIDE RULE Book Manual | $1.99 | 15-Jul-2007 | 2 |
| Keuffel & Esser Co. Slide Rule Manual - Circa | $1.04 | 26-Jul-2007 | 2 |
| K&E/K+E Slide Rule Booklet-Manheim Type | $1.00 | 05-Jul-2007 | 1 |
| "VINTAGE KEUFFEL & ESSER CO. SLIDE RULE PAT. 1 | $1.00 | 01-Jul-2007 | 1 |
| Vintage Keuffel & Esser Company 10 inch Slide | $1.00 | 18-Jul-2007 | 1 |
| Vintage Rosewood Slide Rule K & E No. 4053 in | $0.99 | 13-Jul-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULE IN CASE | $0.99 | 31-Jul-2007 | 1 |
| KEUFFEL & ESSER K&E 4070-3 SLIDE RULE WOODEN C | $0.99 | 07-Jul-2007 | 1 |
| Keuffel & Esser slide rule | $250.00 | 17-Jul-2007 | 0 |
| Keuffel & Esser Co. Vintage Slide Rule | $125.00 | 17-Jul-2007 | 0 |
| LOT OF 4 VINTAGE SLIDE RULES +ADDOMETER K&E+DI | $99.99 | 27-Jul-2007 | 0 |
| LOT OF 4 VINTAGE SLIDE RULES +ADDOMETER K&E+DI | $99.99 | 31-Jul-2007 | 0 |
| Vintage Slide Rule K&E # 4092-3 (Nice) | $34.99 | 01-Jul-2007 | 0 |
| LG LOT K&E KEUFFEL & ESSER LOG LOG SLIDE RULE | $24.99 | 21-Jul-2007 | 0 |
| KEUFFEL & ESSER CO SLIDE RULE 4088-3 w/ Leathe | $24.99 | 20-Jul-2007 | 0 |
| KEUFFEL & ESSER CO SLIDE RULE 4088-3 w/ Leathe | $24.99 | 13-Jul-2007 | 0 |
| Old KEUFFEL & ESSER POLY PHASE Slide Rule MANU | $24.95 | 29-Jul-2007 | 0 |
| Vintage K & E Log Log Duplex Slide Rule With M | $23.95 | 24-Jul-2007 | 0 |
| "Keuffel & Esser Co. sliderule w leather case, | $20.00 | 16-Jul-2007 | 0 |
| VINTAGE KRUFFEL & ESSER 877298 SLIDE RULE & CA | $19.99 | 02-Jul-2007 | 0 |
| 1924 KEUFFEL & ESSER CO.USA POLYPHASE DUPLEX S | $19.99 | 30-Jul-2007 | 0 |
| VINTAGE KRUFFEL & ESSER 877298 SLIDE RULE & CA | $19.99 | 09-Jul-2007 | 0 |
| "1947 Keuffel & Esser Co., Slide Rule- w/ Case | $19.99 | 10-Jul-2007 | 0 |
| Vintage K & E Polyphase Duplex Trig Slide Rule | $19.99 | 22-Jul-2007 | 0 |
| Antique Keuffel & Esser Co. Cherry Wood Slide | $19.99 | 11-Jul-2007 | 0 |
| "Vintage Keuffel & Esser Co., NY Slide Rule/Or | $19.95 | 03-Jul-2007 | 0 |
| K&E BEGINNERS SLIDE RULE # 4058W NEW CONDITION | $15.00 | 09-Jul-2007 | 0 |
| Slide Rule Case Keuffel & Esser Copyright 1947 | $14.99 | 20-Jul-2007 | 0 |
| Vintage Keuffel and Esser Slide Rule | $14.99 | 17-Jul-2007 | 0 |
| "Keuffel and Esser 12"" slide rule" | $14.95 | 18-Jul-2007 | 0 |
| vintage IVORY SLIDE RULE & LEATHER CASE KEUFFE | $12.99 | 25-Jul-2007 | 0 |
| 1908 Slide Rule Polyphase 4088 - 3S Keuffel & | $9.99 | 09-Jul-2007 | 0 |
| Vintage Keuffel & Essor Slide Rule #N4053-3 W/ | $9.99 | 14-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER 4053-3 SLIDE RULE | $9.99 | 02-Jul-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule #N4053-3 W/ | $9.99 | 21-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 4092-3 MATC | $9.99 | 16-Jul-2007 | 0 |
| KE Keuffel & Esser Co. Slide Rule w/case VINTA | $9.99 | 14-Jul-2007 | 0 |
| Keuffel & Esser Co. Slide Rule and Case | $9.99 | 10-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE IN CASE | $9.99 | 17-Jul-2007 | 0 |
| K + E LOG-LOG SLIDE RULE WITH LEATHER CASE VIN | $9.99 | 20-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 4080-3 LEAT | $9.99 | 20-Jul-2007 | 0 |
| Vintage KEUFFEL & ESSER Slide Rule & Case 1924 | $9.99 | 18-Jul-2007 | 0 |
| KEUFFEL & ESSER CO. SLIDE RULE WITH CASE | $9.99 | 08-Jul-2007 | 0 |
| "1924 Keuffel & Esser Slide Rule 4092-3, w/Lea | $9.99 | 21-Jul-2007 | 0 |
| VINTAGE 1947 K&E KEUFFEL ESSER SLIDE RULE SLID | $9.99 | 10-Jul-2007 | 0 |
| "Keuffel & Esser Co. Slide Rule w/Leather Hold | $9.99 | 22-Jul-2007 | 0 |
| "KEUFFEL AND ESSER SLIDE RULER, ORIGINAL CASE" | $9.99 | 22-Jul-2007 | 0 |
| vintage keuffel & esser slide rule n4053-3 | $9.99 | 22-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER K&E SLIDE RULE 4056 MI | $9.99 | 23-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 4080-3 EXCE | $9.99 | 23-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. N.Y. SLIDE RULE f | $9.99 | 10-Jul-2007 | 0 |
| Keuffel & Esser 4081-3 Slide Rule | $9.99 | 09-Jul-2007 | 0 |
| "Old K& E 10 3/4"" close slide rule KEUFFEL & | $9.99 | 24-Jul-2007 | 0 |
| 1955 Keuffel & Esser Slide Rules Instruction B | $9.99 | 13-Jul-2007 | 0 |
| KEUFFEL & ESSER CO.NY SLIDE RULE VINTAGE IN OR | $9.99 | 24-Jul-2007 | 0 |
| 1948 Keuffel & Esser Log Log Duplex Slide Rule | $9.99 | 13-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 4092-3 LOG | $9.99 | 18-Jul-2007 | 0 |
| Keuffel & Esser Vintage Slide Rule | $9.99 | 15-Jul-2007 | 0 |
| Keuffel & Esser Model 4081-3 Slide Rule Vintag | $9.99 | 27-Jul-2007 | 0 |
| K & E Polyphase Slide Rule No. N5053-3 In Case | $9.99 | 31-Jul-2007 | 0 |
| "Keuffel & Esser Co. Slide Rule w/Leather Hold | $9.99 | 29-Jul-2007 | 0 |
| Keuffel & Esser Co NY Slide Ruler w/Case N4053 | $9.99 | 29-Jul-2007 | 0 |
| SLIDE RULE MANUALS (How To Use) - K&E and Pick | $9.99 | 16-Jul-2007 | 0 |
| "K & E Beginner's Slide Rule 4058W, w/ inst. & | $9.99 | 28-Jul-2007 | 0 |
| 1920's Keuffel & Esser Wooden Slide Rule 4058W | $9.99 | 04-Jul-2007 | 0 |
| NICE KEUFFEL & ESSER N4053-3 SLIDE RULE WITH C | $9.99 | 29-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE WITH CASE | $9.99 | 02-Jul-2007 | 0 |
| Keuffel & Esser Slide Rule 4070-3 with Manual | $9.99 | 29-Jul-2007 | 0 |
| K & E SLIDE RULE Jet-log decitrig INSTRUCTIONA | $9.99 | 28-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE WITH CASE | $9.99 | 10-Jul-2007 | 0 |
| K&E Feuffel & Esser Slide Rule 4092-3 | $9.99 | 11-Jul-2007 | 0 |
| Vintage Keuffel & Esser 1947 Slide Rule 4181-3 | $9.95 | 29-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE MANUAL | $9.95 | 16-Jul-2007 | 0 |
| "2 Vintage Slide Rules Sterling, K&E, Engineer | $8.99 | 30-Jul-2007 | 0 |
| "2 Vintage Slide Rules Sterling, K&E, Engineer | $8.99 | 27-Jul-2007 | 0 |
| KEUFFEL & ESSER CO.NY SLIDE RULE VINTAGE IN OR | $8.99 | 29-Jul-2007 | 0 |
| Vintage '44 K & E POLYPHASE SLIDE RULE 4053 CA | $8.99 | 19-Jul-2007 | 0 |
| KEUFFEL & ESSER DRAFTING OR ACCOUNTING SLIDE R | $8.95 | 16-Jul-2007 | 0 |
| Vintage Keuffel & Esser Co. N.Y. Slide Rule | $8.95 | 15-Jul-2007 | 0 |
| Vintage Keuffel & Essler Slide Rule with Leath | $8.75 | 15-Jul-2007 | 0 |
| Vintage Keuffel & Essler Slide Rule with Leath | $8.75 | 08-Jul-2007 | 0 |
| Vintage Keuffel & Esser Co. N.Y. Beginner's Sl | $8.50 | 22-Jul-2007 | 0 |
| 1925 Keuffel & Esser Slide Rule Manual | $7.99 | 24-Jul-2007 | 0 |
| K+E (K&E) Beginner's Slide Rule w/ case & inst | $7.99 | 15-Jul-2007 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE IN CASE | $7.99 | 29-Jul-2007 | 0 |
| KEUFFEL ESSER K&E Wood SLIDE RULE 4058 W Vinta | $7.72 | 08-Jul-2007 | 0 |
| Keuffel & Esser Slide Rule Model N4058W with C | $7.00 | 10-Jul-2007 | 0 |
| "Keuffel & Esser Deluxe Slide Rule w/ Leather | $6.99 | 03-Jul-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule 681892 with | $6.99 | 18-Jul-2007 | 0 |
| Vintage Wooden Keuffel & Esser Students Slide | $6.99 | 14-Jul-2007 | 0 |
| Keuffel & Esser K & E Slide Rule 4054 & Leathe | $6.99 | 08-Jul-2007 | 0 |
| "Keuffel & Esser Deluxe Slide Rule w/ Leather | $6.00 | 30-Jul-2007 | 0 |
| Vintage Keuffel & Esser Beginner's Slide Rule | $5.99 | 25-Jul-2007 | 0 |
| K&E Mannheim Slide Rule 4041 Engineering Scien | $5.99 | 31-Jul-2007 | 0 |
| Vintage Keuffel & Esser Beginner's Slide Rule | $5.99 | 08-Jul-2007 | 0 |
| Vintage Keuffel and Essler Slide Rule in Leath | $5.00 | 22-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE WITH CASE | $5.00 | 23-Jul-2007 | 0 |
| 1924 KEUFFEL ESSER K&E Polyphse Duplex Slide R | $4.99 | 22-Jul-2007 | 0 |
| K+E #4053-3 POLYPHASE slide rule w/case + extr | $4.99 | 20-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE N4081-3 WITH LEATHE | $4.99 | 19-Jul-2007 | 0 |
| SLIDE RULE (KEUFFEL & ESSER )#4080-3 | $4.99 | 24-Jul-2007 | 0 |
| 1944 K & E POLYPHASE SLIDE RULE MANUAL/KEUFFEL | $4.99 | 04-Jul-2007 | 0 |
| 1954 K&E Slide Rule Manual Keuffel & Esser CO. | $4.99 | 06-Jul-2007 | 0 |
| Vintage Slide Rule Keuffel & Esser Co Great co | $4.99 | 06-Jul-2007 | 0 |
| Beginners Slide Rule by Kueffel & Esser Compan | $4.99 | 08-Jul-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule w/ Leather | $4.99 | 24-Jul-2007 | 0 |
| K&E Log Log Duplex Decitrig Slide Rule #4081 | $4.99 | 15-Jul-2007 | 0 |
| LOT OF SLIDE RULES GLOBEMASTER K & E PRESTIGE | $4.99 | 15-Jul-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule w/ Leather | $4.99 | 31-Jul-2007 | 0 |
| 1920's Keuffel & Esser Wooden Slide Rule 4058W | $4.99 | 06-Jul-2007 | 0 |
| 1920's Keuffel & Esser Wooden Slide Rule 4058W | $4.99 | 13-Jul-2007 | 0 |
| 2 VINTAGE SLIDE RULES - K & E 4058W / MICRONTA | $4.99 | 01-Jul-2007 | 0 |
| 1947 K&E Keuffel & Esser DORIC T SLIDE RULE MA | $4.95 | 16-Jul-2007 | 0 |
| 1920's Keuffel & Esser Wooden Slide Rule 4058W | $3.99 | 21-Jul-2007 | 0 |
| KEUFFEL & ESSER SLIDE RULE N4081-3 WITH LEATHE | $3.99 | 29-Jul-2007 | 0 |
| KEUFFEL & ESSER VINTAGE SLIDE RULE w LEATHER C | $3.99 | 03-Jul-2007 | 0 |
| KEUFFEL&ESSER BEGINNER'S SLIDERULE N4058W | $3.50 | 12-Jul-2007 | 0 |
| K & E Slide Rule with case 4058W | $2.99 | 06-Jul-2007 | 0 |
| Vintage Rosewood Slide Rule K & E No. 4053 in | $2.99 | 05-Jul-2007 | 0 |
| 2 OLD KEUFFEL & ESSER SLIDE RULE RULES WITH CA | $2.99 | 25-Jul-2007 | 0 |
| Quick & Easy Lawrence Slide Rule Instruction B | $2.59 | 09-Jul-2007 | 0 |
| KEUFFEL & ESSER CO. NEW YORK MANNHEIM TYPE SLI | $1.00 | 19-Jul-2007 | 0 |
| Keuffel Esser K&E Deci-lon Slide Rule 68 1130 | $0.99 | 03-Jul-2007 | 0 |
| ULTRA RARE KEUFFEL & ESSER SLIDE RULE WITH CAS | $0.99 | 14-Jul-2007 | 0 |
| Vintage Slide Rule Keuffel & Esser Co Great co | $0.99 | 19-Jul-2007 | 0 |