| Keuffel and Esser |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Feb-2008 |
| Early K&E Model 1740 Thacher Slide Rule w/Disp | $810.88 | 06-Feb-2008 | 5 |
| Analon K&E Slide Rule 681400 Keuffel & Esser C | $611.00 | 18-Feb-2008 | 17 |
| Very rare K&E Decilon Teaching Slide Rule mode | $500.01 | 24-Feb-2008 | 13 |
| K & E Thacher Calculator slide rule reproducti | $330.25 | 17-Feb-2008 | 15 |
| 22 inch long KEUFFEL ESSER N4201 SLIDE RULE | $308.00 | 14-Feb-2008 | 7 |
| K&E 68-1944 Polyphase Slide Rule HUGE 7+Feet I | $198.45 | 08-Feb-2008 | 14 |
| KEUFFEL & ESSER K & E SLIDE RULE 4081-3 NEW IN | $183.50 | 27-Feb-2008 | 5 |
| K&E 68-1130 Deci-Lon Pocket Slide Rule w/ case | $180.48 | 03-Feb-2008 | 8 |
| Keuffel & Esser K&E 68 1100 Decilon Slide Rule | $158.27 | 11-Feb-2008 | 13 |
| K&E Log Log Duplex Decitrig Slide Rule Vintage | $157.50 | 24-Feb-2008 | 13 |
| "21"" Keuffel & Esser Slide Rule 4096, case & | $154.00 | 25-Feb-2008 | 6 |
| Keuffel & Esser Mannheim Desk Slide Rule N-409 | $142.50 | 04-Feb-2008 | 5 |
| "K+E Decilon 10 68-1100 slide rule w/case, man | $127.50 | 29-Feb-2008 | 4 |
| One Dozen of K & E Slide Rules in Box! | $123.49 | 19-Feb-2008 | 10 |
| Vintage K&E Keuffel & Esser 4081-5 Slide Rule | $122.50 | 24-Feb-2008 | 10 |
| K&E KEUFFEL & ESSER 4031 Slide Rule Earliest K | $100.00 | 05-Feb-2008 | 2 |
| K&E 22 Inch Slide Rule Model N4080-5 | $93.98 | 25-Feb-2008 | 7 |
| "K & E 5"" Mannheim Slide Rule/Leather Case, E | $92.01 | 19-Feb-2008 | 6 |
| "K+E Decilon 10 68-1100 slide rule w/case, man | $90.00 | 15-Feb-2008 | 1 |
| Early K&E 4088-2 Slide Rule w/case & Unusual I | $80.00 | 20-Feb-2008 | 5 |
| k&e vintage slide rule new in box | $72.99 | 17-Feb-2008 | 8 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE COPYRIG | $72.00 | 09-Feb-2008 | 11 |
| K&E 60's General Electric Missile&Space Slide | $68.95 | 19-Feb-2008 | 16 |
| Mint 4083-3 Keuffel Esser Log Duplex Vector Sl | $67.77 | 23-Feb-2008 | 4 |
| KEUFFEL & ESSER SLIDE RULE K&E MODEL 68 1251 + | $66.77 | 16-Feb-2008 | 9 |
| K&E No. 4053-5 Slide Rule/Case-20in Model | $66.00 | 02-Feb-2008 | 4 |
| K & E DECI-LON 68-1100 IVORITE SLIDE RULE W/CA | $64.00 | 25-Feb-2008 | 12 |
| KEUFFEL AND ESSER SLIDE RULE DECI LON 10 MINT | $62.77 | 07-Feb-2008 | 11 |
| "K&E 4081-3 Slide Rule, Case, Original Box & M | $62.09 | 20-Feb-2008 | 10 |
| Very Large Keuffel & Esser Slide Rule with Cas | $62.00 | 02-Feb-2008 | 8 |
| Keuffel & Esser LARGE Slide Rule 4096 Leather | $61.00 | 12-Feb-2008 | 8 |
| Keuffel and Esser Mannheim Polyphase No 4053 S | $61.00 | 20-Feb-2008 | 8 |
| Keuffel & Esser 4181-1 Slide Rule and Leather | $61.00 | 11-Feb-2008 | 13 |
| Keuffel & Esser (K&E) 4187R Slide rule with Ma | $57.77 | 14-Feb-2008 | 9 |
| ~ EARLY 16 Inch K & E MANNHEIM SLIDE RULE ~ | $57.51 | 05-Feb-2008 | 8 |
| FOUR Older Slide Rules ~Aristo ~K&E ~Post | $56.77 | 22-Feb-2008 | 4 |
| Kueffel & Esser Slide Rule Deci Lon 10 Mint w/ | $52.77 | 13-Feb-2008 | 7 |
| KEUFFEL & ESSER DECI LON 10 SLIDE RULE WITH CA | $52.77 | 16-Feb-2008 | 8 |
| K & E Keuffel & Esser DECI-LON 10 Slide Rule w | $52.77 | 06-Feb-2008 | 7 |
| "HUGE 20"" KEUFFEL & ESSER POLYPHASE MAHOGANY | $51.00 | 11-Feb-2008 | 3 |
| K&E KEUFFEL & ESSER 4031 Slide Rule | $50.00 | 07-Feb-2008 | 1 |
| VINTAGE K & E SLIDE RULE 4181-1 GREAT CLEAN CO | $49.50 | 10-Feb-2008 | 15 |
| K & E Deci Lon Slide Rule With Case and Origin | $47.98 | 24-Feb-2008 | 6 |
| K&E Pocket Slide Rule | $47.01 | 10-Feb-2008 | 8 |
| KEUFFEL & ESSER POLYPHASE SLIDE RULE*MATH COLL | $47.00 | 05-Feb-2008 | 4 |
| Keuffel & Esser K&E 68 1100 Decilon Slide Rule | $46.00 | 24-Feb-2008 | 8 |
| 2 vintage K&E SLIDE RULES with boxes and bookl | $46.00 | 10-Feb-2008 | 14 |
| "K&E Decilon 10 68-1100 slide rule w/ case, ma | $45.99 | 03-Feb-2008 | 5 |
| Keuffel & Esser Log Log Duplex Trig Slide Rule | $45.55 | 10-Feb-2008 | 5 |
| KEUFFEL & ESSER DECI LON 10 SLIDE RULE WITH CA | $45.50 | 27-Feb-2008 | 10 |
| K E slide rule deci lon with case | $45.44 | 26-Feb-2008 | 6 |
| Keuffel & Esser K&E Double Sided Slide Rule Ma | $45.00 | 24-Feb-2008 | 9 |
| K&E 4081 Log Log Duplex Decitrig slide rule & | $44.88 | 10-Feb-2008 | 12 |
| "Keuffel & Esser K&E 68 1210 Decitrig slide ru | $43.00 | 29-Feb-2008 | 7 |
| K&E Keuffel and Esser 68-1251 Slide Rule + Cas | $42.99 | 03-Feb-2008 | 5 |
| SLIDE RULE *K+E DECILON 10* Excellent conditio | $40.97 | 19-Feb-2008 | 3 |
| "KEUFFEL & ESSER 20-5/8"" SLIDERULE MAHOGANY F | $40.59 | 11-Feb-2008 | 6 |
| 1920's Antique Mannheim Slide Rule Keuffel & E | $39.00 | 27-Feb-2008 | 1 |
| "Slide Rules: K&E, Sun Hemmi, Post and R. Reis | $38.77 | 02-Feb-2008 | 3 |
| Keuffel & Esser K&E 4181-1 pocket slide rule w | $37.37 | 29-Feb-2008 | 8 |
| Vintage Keuffel & Esser Slide Rule 4181-1 w/ca | $36.00 | 25-Feb-2008 | 6 |
| Keuffel & Esser Co. Slide Rule Copyright 1947 | $35.70 | 17-Feb-2008 | 5 |
| "Vintage Keuffel & Esser Co NY SLIDE RULE 20 1 | $34.90 | 08-Feb-2008 | 9 |
| "21"" Keuffel & Esser Slide Rule N 4096 w/ cas | $34.00 | 18-Feb-2008 | 6 |
| KEUFFEL & ESSER CO. SLIDE RULE WITH CASE MADE | $33.89 | 01-Feb-2008 | 8 |
| "K+E #68 1210 or #4081-3 slide rule w/case, ma | $33.00 | 15-Feb-2008 | 2 |
| K&E Slide Rule-No. 68 1220-Log Log Duplex Deci | $32.99 | 20-Feb-2008 | 3 |
| KEUFFEL AND ESSER SLIDE RULE K&E MODEL 68 1210 | $32.87 | 16-Feb-2008 | 7 |
| "Vintage KEUFFEL & ESSER Co. #4045 16"" SLIDE | $32.77 | 02-Feb-2008 | 6 |
| Vintage Keuffel & Esser Ever There Slide Rule | $32.00 | 02-Feb-2008 | 8 |
| 22 INCH K & E KEUFFEL & ESSER SLIDE RULE NO.< | $31.00 | 10-Feb-2008 | 6 |
| VINTAGE KEUFFEL AND ESSER SLIDE RULE K&E MODEL | $31.00 | 09-Feb-2008 | 6 |
| K&E Log Log Duplex Decitrig Slide Rule 68-1210 | $29.99 | 19-Feb-2008 | 1 |
| Slide Rule w/ Case Box and Book K&E N4080-3 | $29.51 | 07-Feb-2008 | 3 |
| K&E 7-Inch Pocket Slide Rule W/Case-Wonderful | $28.77 | 16-Feb-2008 | 5 |
| 1960's VINTAGE KEUFFEL AND ESSER MODEL4092-3 S | $28.77 | 24-Feb-2008 | 2 |
| "KEUFFEL & ESSERS Co 5"" Slide Rule" | $28.02 | 05-Feb-2008 | 3 |
| "K&E 6"" SLIDE SPEED RULE NO.4161-1 COLLECTIBL | $28.00 | 12-Feb-2008 | 25 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE & CASE | $28.00 | 11-Feb-2008 | 15 |
| "Vintage Keuffel & Esser 4139 Slide Rule, 12" | $27.77 | 28-Feb-2008 | 6 |
| Keuffel & Esser 4088-3 Slide Rule and Case- Ex | $27.77 | 24-Feb-2008 | 3 |
| KEUFFEL & ESSER RADIO COOKE SLIDE RULE W/ CASE | $27.77 | 26-Feb-2008 | 5 |
| VINTAGE SLIDE RULE KEUFFEL&ESSER COMPANY | $27.55 | 02-Feb-2008 | 5 |
| K & E Slide Rule With Original Leather Case | $27.55 | 24-Feb-2008 | 3 |
| VINTAGE K & E SLIDE RULE 4081-3 LOG DUPLEX DEC | $27.09 | 03-Feb-2008 | 2 |
| Keuffel & Esser 4081-3 Slide Rule Log Log Dup. | $27.00 | 17-Feb-2008 | 13 |
| K&E KEUFFEL & ESSER 4031 Slide Rule with Magni | $26.56 | 17-Feb-2008 | 6 |
| Keuffel & Esser Log Log Duplex Vector 4083 Sli | $26.25 | 24-Feb-2008 | 4 |
| K&E Keuffel & Esser 4181-1 Slide Rule w/ case | $26.20 | 03-Feb-2008 | 8 |
| Vintage Keuffel & Esser Slide Rule 4092-3 NO R | $26.00 | 25-Feb-2008 | 12 |
| K+E Deci-Lon Slide Rule Manual Hardbound 1962 | $26.00 | 12-Feb-2008 | 5 |
| K & E Log Log Duplex Decitrig Slide Rule and M | $26.00 | 16-Feb-2008 | 12 |
| K&E Slide Rule LOG LOG DUPLEX 20 Scales +Orig | $25.50 | 13-Feb-2008 | 3 |
| Vintage K&E Log Log Duplex Vector #4083-3S Sli | $24.99 | 24-Feb-2008 | 1 |
| Vintage KEUFFEL & ESSER CO. NY. SLIDE RULE 408 | $24.99 | 15-Feb-2008 | 1 |
| Keuffel & Esser~1939 Manual~SLIDE RULES BOOKLE | $24.99 | 17-Feb-2008 | 1 |
| "vintage slide rule 4092-3, K&E w/case,keuffel | $24.99 | 15-Feb-2008 | 1 |
| Vintage KEUFFEL & ESSER 4081 Engineering Slide | $23.30 | 09-Feb-2008 | 12 |
| VINTAGE KEUFFEL &ESSER SLIDE RULE K&E MODEL # | $23.06 | 16-Feb-2008 | 8 |
| Vintage K&E SLIDE RULES | $22.90 | 17-Feb-2008 | 7 |
| VINTAGE K&E BAKELITE MAHOGANY SLIDE RULE MOD 4 | $22.72 | 22-Feb-2008 | 6 |
| "Keuffel & Esser Vintage N4053-3 Slide Rule Ma | $22.50 | 09-Feb-2008 | 8 |
| Vintage Keuffel & Esser K&E Slide Rule #681497 | $22.50 | 04-Feb-2008 | 6 |
| "K&E SLIDE RULE, IN ORIGINAL BOX, WITH LEATHER | $22.39 | 12-Feb-2008 | 5 |
| 1947 K + E (Keuffel & Esser) DORIC Slide Rule | $21.50 | 07-Feb-2008 | 9 |
| "K & E 68 1318 Log Log Duplex Trig Slide Rule, | $21.06 | 16-Feb-2008 | 2 |
| Keuffel & Esser Log Log Slide rule in good con | $20.50 | 24-Feb-2008 | 4 |
| keuffel&esser slide rule vintage | $20.50 | 22-Feb-2008 | 6 |
| vintage Keuffel & Esser Co.1900 pat.slide rule | $20.50 | 19-Feb-2008 | 8 |
| Keuffel & Esser Co K & E Trig Log Duplex Slide | $20.50 | 17-Feb-2008 | 5 |
| Vintage K & E Slide Rule #4181-1 copyright of | $20.49 | 03-Feb-2008 | 3 |
| Keuffel & Esser K&E Deci Lon 10 Slide Rule #68 | $20.49 | 02-Feb-2008 | 12 |
| "K&E SLIDE RULE,VERY EARLY,CASE,RARE & MINT!" | $20.49 | 05-Feb-2008 | 2 |
| Slide Rule K&E W/Case Log Log Duplex Trig | $20.00 | 26-Feb-2008 | 4 |
| Early K&E 4041 Slide Rule w/Box & Metal Indica | $20.00 | 20-Feb-2008 | 1 |
| Early K&E 4053-3 Slide Rule in Morocco Box | $20.00 | 03-Feb-2008 | 1 |
| VINTAGE1947 KEUFFLER & ESSER SLIDE RULE LEATHE | $19.99 | 16-Feb-2008 | 2 |
| KEUFFEL & ESSER CO. SLIDE RULE with leather ca | $19.99 | 27-Feb-2008 | 1 |
| VINTAGE KEUFFEL AND ESSER SLIDE RULE K&E MODEL | $19.99 | 27-Feb-2008 | 1 |
| "Keuffel & Esser vintage 50""s ? Slide Ruler" | $19.95 | 23-Feb-2008 | 1 |
| KEUFFEL & ESSER CO. SLIDE RULE IN GREAT CONDIT | $19.09 | 03-Feb-2008 | 3 |
| VINTAGE KEUFFEL & ESSEL SLIDE RULE # N4081-3 | $19.03 | 07-Feb-2008 | 9 |
| K&E SLIDE RULE 4081-3 W/LEATHER CASE KEUFFEL & | $18.75 | 24-Feb-2008 | 3 |
| "Keuffel & Esser Slide Rule # N4053-5 - 20""" | $18.75 | 29-Feb-2008 | 3 |
| K & E SLIDE RULE 4092-3 W/LEATHER CASE KEUFFEL | $18.50 | 19-Feb-2008 | 1 |
| COLLECTION (5) SLIDE RULE DIETZGEN K&E & ACCUM | $18.50 | 23-Feb-2008 | 4 |
| VINTAGE 1908 K & E SLIDE RULE 4092 #6 | $18.00 | 03-Feb-2008 | 1 |
| 2 slide rules w/ case Keuffel & esser Berger S | $18.00 | 14-Feb-2008 | 5 |
| VINTAGE K & E SLIDE RULE 4080-3 LOG LOG DUPLEX | $18.00 | 03-Feb-2008 | 1 |
| Vintage Keuffel & Esser Slide Rule - N 4058W | $17.99 | 06-Feb-2008 | 1 |
| Keuffel&Esser Log Log Duplex Decitrig Slide Ru | $17.70 | 14-Feb-2008 | 9 |
| Keuffel & Esser Slide rule | $17.61 | 05-Feb-2008 | 2 |
| old Keuffel & Esser Slide Rule 4092-3 PAT June | $17.61 | 25-Feb-2008 | 5 |
| K+E Slide Rules Deci-Lon Keuffel & Esser Co.19 | $17.27 | 20-Feb-2008 | 6 |
| VINTAGE KEUFFEL & ESSER K&E MODEL 4080-3 SLIDE | $17.27 | 10-Feb-2008 | 3 |
| "Keuffel & Esser Slide Rule Antique 1939 mod 4 | $17.27 | 18-Feb-2008 | 4 |
| "(5) SLIDE RULES: K&E, SUN HEMI, COMPASS, ARIS | $17.06 | 03-Feb-2008 | 3 |
| K&E 4092-3 Slide Rule with Case | $17.00 | 03-Feb-2008 | 4 |
| K+E Deci-Lon Slide Rule Manual Hardbound 1962 | $16.75 | 05-Feb-2008 | 3 |
| Keuffel & Esser Slide Rule < 4081-3> with case | $16.74 | 24-Feb-2008 | 8 |
| K+E Slide Rule Instruction Manual by DECI-LON | $16.50 | 26-Feb-2008 | 8 |
| KEUFFEL & ESSER LOG DUPLEX DECRITRIG 4081-3 SL | $16.27 | 17-Feb-2008 | 3 |
| K&E Keuffel & Esser Log Decitrig Slide Rule 40 | $16.27 | 27-Feb-2008 | 4 |
| "Vintage K&E Slide Rule, Log Log Duplex Vector | $16.00 | 11-Feb-2008 | 7 |
| Antique Vintage KEUFFEL & ESSER CO SLIDE RULE | $16.00 | 08-Feb-2008 | 4 |
| Keuffel & Esser K&E N4081-3 Slide Rule and Cas | $15.75 | 17-Feb-2008 | 2 |
| Keuffel & Esser 4071-3 10 inch Slide Rule Perf | $15.61 | 13-Feb-2008 | 4 |
| Vintage Keuffle & Esser Slide Rule in Case ~ 1 | $15.50 | 12-Feb-2008 | 2 |
| KEUFFEL & ESSER co 1949 SLIDE RULE N4080-3 | $15.50 | 04-Feb-2008 | 3 |
| KEUFFEL & ESSER CO SLIDE RULE MANHEIM TYPE PAT | $15.50 | 11-Feb-2008 | 2 |
| KEUFFEL & ESSER VINTAGE K&E SLIDE RULE MODEL N | $15.50 | 16-Feb-2008 | 4 |
| 1930's KEUFFEL & ESSER SLIDE RULE | $15.50 | 11-Feb-2008 | 2 |
| Deci-Lon Slide Rule Instruction Manual K&E boo | $15.49 | 03-Feb-2008 | 5 |
| Keuffel & Esser Mahogany Slide Rule | $15.00 | 16-Feb-2008 | 1 |
| VINTAGE K & E BEGINNER'S SLIDE RULE 4058C #3 | $15.00 | 10-Feb-2008 | 2 |
| Vintage K&E KEUFFEL 4058W Logarithmic Slide Ru | $15.00 | 08-Feb-2008 | 3 |
| Keuffel & Esser 4090-3 slide rule sliderule 40 | $14.99 | 20-Feb-2008 | 1 |
| 1947 KEUFFEL ESSER N4081-3 SLIDE RULE | $14.99 | 01-Feb-2008 | 1 |
| K&E Slide Rules DECI-LON Instruction Manual HB | $14.27 | 15-Feb-2008 | 6 |
| ANTIQUE WOOD KEUFFEL & ESSER SLIDE RULE 1900 M | $13.00 | 20-Feb-2008 | 3 |
| Keuffel & Esser 4053-3 Vintage Slide Rule Ex. | $13.00 | 24-Feb-2008 | 6 |
| KEUFFEL & ESSER K & E Co. DORIC 1947 Slide Rul | $12.65 | 24-Feb-2008 | 2 |
| 1955 K&E SLIDE RULES Hardcover Book JETLOG DEC | $12.60 | 12-Feb-2008 | 5 |
| "VINTAGE 1930S KEUFFEL & ESSER 6"" SLIDE RULE | $12.50 | 01-Feb-2008 | 3 |
| K+E Slide Rule Manual - Log Log Duplex Decitri | $12.50 | 12-Feb-2008 | 4 |
| 1891 K&E Slide Rule Instruction Manual # 4030 | $12.50 | 07-Feb-2008 | 3 |
| "Vintage ""Keuffel and Esser"" 4181 - 3 Slide | $12.38 | 04-Feb-2008 | 2 |
| VINTAGE K&E MERCHANTS POCKET SLIDE RULE 4150-1 | $12.05 | 10-Feb-2008 | 2 |
| K + E Duplex Decitrig Slide Rule Manual & box | $11.50 | 24-Feb-2008 | 2 |
| K E Deci-Lon Slide Rules Book 1962 Hardcover | $11.50 | 14-Feb-2008 | 5 |
| "slide rule w/case, K&E keuffel & esser 4092-3 | $11.50 | 24-Feb-2008 | 2 |
| VINTAGE KEUFFEL & ESSER 4088-3 SLIDE RULE 1908 | $11.50 | 03-Feb-2008 | 4 |
| "Keuffel & Esser, Log Log Duplex Vector Slide | $11.50 | 07-Feb-2008 | 2 |
| VINTAGE KEUFFEL & ESSER N4053 K&E SLIDE RULE D | $11.50 | 18-Feb-2008 | 10 |
| KEUFFEL & ESSER CO. NY. SLIDE RULE <4080-3> | $11.00 | 02-Feb-2008 | 4 |
| 10 3/4 Keuffel & Esser Slide Rule N 4056 w/ bo | $11.00 | 18-Feb-2008 | 3 |
| KEUFFEL & ESSER SLIDE RULE 4092-3 W/ LEATHER C | $10.99 | 26-Feb-2008 | 3 |
| SLIDE RULER MAKER KEUFFEL& ESSER CO. NY & LEAT | $10.50 | 28-Feb-2008 | 6 |
| 2 VINTAGE SLIDE RULES KEUFFEL & ESSER W/LEATHE | $10.50 | 10-Feb-2008 | 5 |
| Early K&E Model 4041(?) SLIDE RULE Metal Frame | $10.50 | 04-Feb-2008 | 2 |
| Mannheim Slide Rule Manual & K&E Booklet by D. | $10.50 | 20-Feb-2008 | 4 |
| Keuffel & Esser Slide Rule/#4081-3/Used But Go | $10.50 | 07-Feb-2008 | 4 |
| WONDERFUL KEUFFEL & ESSER CO. SLIDE RULE IN CA | $10.50 | 28-Feb-2008 | 3 |
| VINTAGE SLIDE RULE K E KEUFFEL & ESSER CO. 408 | $10.49 | 29-Feb-2008 | 2 |
| "EARLY K&E SLIDE RULE #4092-3 +STERLING GE W/C | $10.45 | 17-Feb-2008 | 2 |
| K&E KEUFFER & ESSER CO. SLIDE RULER | $10.00 | 13-Feb-2008 | 1 |
| K & E Log Log Duplex Decitrig Slide Rule 4081- | $9.99 | 17-Feb-2008 | 1 |
| VINTAGE KEUFFEL & ESSER K&E SLIDE RULE 4081-3 | $9.99 | 03-Feb-2008 | 1 |
| Keuffel & Esser Co Polyphase Slide Ruler VTG 4 | $9.99 | 02-Feb-2008 | 1 |
| Keuffel & Esser K&E SLIDE RULE No. 4092-3 with | $9.99 | 21-Feb-2008 | 1 |
| SLIDE RULE KEUFFEL & ESSER 4081 PLUS MANUAL WW | $9.99 | 15-Feb-2008 | 1 |
| KEUFFEL AND ESSER SLIDE RULER | $9.99 | 28-Feb-2008 | 2 |
| WONDERFUL KEUFFEL & ESSER CO. SLIDE RULE IN CA | $9.99 | 20-Feb-2008 | 1 |
| K&E N4058W Elementary Slide Rule with instruct | $9.99 | 09-Feb-2008 | 1 |
| Keuffel & Esser Co. N.Y K&E Slide Rule 4053-3 | $9.99 | 20-Feb-2008 | 1 |
| PAT 1900 KEUFFEL & ESSER CO POLYPHASE SLIDE RU | $9.99 | 25-Feb-2008 | 1 |
| "2 SLIDE RULES -K&E, AND MANNHEIM" | $9.99 | 05-Feb-2008 | 2 |
| Vintage Keuffel & Esser Beginners Slide Rule # | $9.99 | 15-Feb-2008 | 1 |
| Keuffel & Esser vintage Slide Rule Manual N408 | $9.99 | 19-Feb-2008 | 1 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 4097D | $9.99 | 16-Feb-2008 | 2 |
| WONDERFUL KEUFFEL & ESSER CO. SLIDE RULE IN CA | $9.99 | 28-Feb-2008 | 1 |
| KEUFFEL&ESSER CO.N.Y 4080-3 SLIDE RULE | $9.99 | 21-Feb-2008 | 1 |
| Keuffel & Esser Slide Rule Log Duplex in Case | $9.99 | 20-Feb-2008 | 1 |
| "Vintage K&E 5"" XYLONITE Slide Rule 4097D LEA | $9.99 | 03-Feb-2008 | 1 |
| Vintage KEUFFEL & ESSER Wood Slide Rule w Manu | $9.99 | 17-Feb-2008 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 20-Feb-2008 | 1 |
| Keuffel and Esser Antique Slide Rule No Reserv | $9.99 | 03-Feb-2008 | 2 |
| "Vntg Keuffel & Esser Mdl 4088-3 Slide Rule, L | $9.95 | 29-Feb-2008 | 1 |
| "Keuffel & Esser Co. Slide Rule # 4098 A, With | $9.95 | 18-Feb-2008 | 1 |
| Keuffel & Esser 4081-3 Log Duplex Decitrig Sli | $9.95 | 03-Feb-2008 | 1 |
| K+E Slide Rule | $9.95 | 29-Feb-2008 | 1 |
| Vintage K & E Slide Rule and Leather Case # 40 | $9.90 | 26-Feb-2008 | 2 |
| *VINTAGE KEUFFEL & ESSER CO. SLIDE RULE # 5143 | $9.53 | 03-Feb-2008 | 4 |
| Vintage Keuffel Esser slide rule indicator gla | $9.50 | 03-Feb-2008 | 6 |
| "Keuffel+Esser, K+E slide rule 4058-W kit FREE | $9.50 | 01-Feb-2008 | 1 |
| "Slide Rule Lot K&E Decitrig, Texas Instrument | $9.49 | 05-Feb-2008 | 3 |
| K&E KEUFFEL & ESSER 4031 Slide Rule | $9.49 | 24-Feb-2008 | 7 |
| Keuffel & Esser Slide Rule Vintage 1908 4088-3 | $9.00 | 24-Feb-2008 | 1 |
| K&E Keuffel and Esser 4058 C Slide Rule Wood R | $8.99 | 03-Feb-2008 | 2 |
| "2 Vintage Slide Rules, K & E Co., Lawrence En | $8.63 | 03-Feb-2008 | 4 |
| KEUFFEL & ESSER CO. N.Y SLIDE RULE (4088-3) & | $8.58 | 03-Feb-2008 | 3 |
| Vintage Slide Rule Ruler - Keuffel & Esser - w | $8.50 | 25-Feb-2008 | 2 |
| "Vintage Keuffel & Esser 20"" Polyphase Slide | $8.07 | 04-Feb-2008 | 4 |
| "Vintage Keuffel & Esser Co. Slide rule, 4088- | $8.06 | 13-Feb-2008 | 4 |
| Polyphase Duplex Keuffel & Esser Vintage Slide | $8.00 | 02-Feb-2008 | 2 |
| Vintage Keuffel & Esser~K&E~Slide Rule 4081-3~ | $7.50 | 24-Feb-2008 | 2 |
| VINTAGE K E KEUFFEL & ESSER 1481-3 SLIDE RULE | $7.50 | 17-Feb-2008 | 2 |
| KEUFFEL & ESSER CO. SLIDE RULE DATE JUNE 5 190 | $7.50 | 03-Feb-2008 | 8 |
| Keuffel & Esser 4070-3 slide rule | $7.50 | 17-Feb-2008 | 2 |
| VINTAGE KEUFFEL ESSER SLIDE RULE & RULER LOT* | $7.50 | 18-Feb-2008 | 1 |
| Keuffel and Esser No. 4041 Basic Slide Rule/Ru | $7.06 | 16-Feb-2008 | 3 |
| Vintage K & E Beginner's Slide Ruler - Very ol | $7.00 | 19-Feb-2008 | 3 |
| K&E KEUFFER & ESSER CO. SLIDE RULER | $6.99 | 20-Feb-2008 | 1 |
| "1964 K&E Catalog Brochure for 5"" POCKET SLID | $6.75 | 12-Feb-2008 | 5 |
| "6"" K&E POCKET SLIDE RULE #4098A" | $6.60 | 29-Feb-2008 | 2 |
| K & E 4058W Slide Rule Keuffel & Esser Co old | $6.50 | 13-Feb-2008 | 2 |
| "K & E Slide Rules, A Self Instruction Manual" | $6.50 | 03-Feb-2008 | 5 |
| 1937 K+E Keuffel & Esser Co. wood SLIDE RULE | $6.16 | 20-Feb-2008 | 3 |
| K+E Slide Rules Deci-Lon Keuffel & Esser Co.19 | $6.00 | 15-Feb-2008 | 2 |
| K+E SLIDE RULE MANUALS LOG LOG DUPLEX 1947 & 5 | $5.55 | 19-Feb-2008 | 3 |
| "2 Vintage Slide Rules, Case , Keuffel & Esser | $5.00 | 04-Feb-2008 | 1 |
| KEUFFEL & ESSER SLIDE RULE 4058W | $5.00 | 28-Feb-2008 | 1 |
| Keuffel & Esser 4081-3 Log Log Duplex Slide Ru | $5.00 | 02-Feb-2008 | 1 |
| SLIDE RULE Keuffel & Esser made in USA Rare co | $5.00 | 08-Feb-2008 | 3 |
| SLIDE RULE MANUAL KEUFFEL & ESSER CO. #4070 | $5.00 | 19-Feb-2008 | 1 |
| K & E Slide Rule / Ruler - Polyphase Duplex - | $4.99 | 20-Feb-2008 | 1 |
| Vintage Keuffel & Esser slide rule 4054 & case | $4.99 | 02-Feb-2008 | 1 |
| Keuffel & Esser Co. K-12 Prep Slide Rule | $4.95 | 08-Feb-2008 | 1 |
| KEUFFEL & ESSER SLIDE RULE MANUAL NO.4081 DECI | $4.88 | 08-Feb-2008 | 1 |
| Quick & Easy Slide Rule Instruction Book | $4.57 | 27-Feb-2008 | 7 |
| "KEUFFEL & ESSER 7930 SLIDE RULE DORC & CASE 7 | $4.00 | 03-Feb-2008 | 1 |
| Keuffel & Esser Co. DORIC Slide Rule No.8906 w | $3.99 | 03-Feb-2008 | 1 |
| "Antique Keuffel & Esser Co, Beginner's Slide | $3.99 | 15-Feb-2008 | 1 |
| Beginner's Slide Rule + Leather Case. Keuffel- | $3.99 | 27-Feb-2008 | 1 |
| VINTAGE BEGINNER KEUFFEL & ESSER SLIDE RULE WI | $2.99 | 19-Feb-2008 | 1 |
| Keuffel & Esser Vintage Beginner's Slide Rule | $2.99 | 16-Feb-2008 | 1 |
| THE K&E MANNHEIM SLIDE RULE instruction manual | $2.95 | 21-Feb-2008 | 1 |
| Analon K&E Slide Rule 681400 Keuffel & Esser C | $0.99 | 13-Feb-2008 | 3 |
| ANTIQUE KEUFFEL & ESSER NY SLIDE RULE PAT JUNE | $0.99 | 25-Feb-2008 | 1 |
| "Vintage Keuffel & Esser 4058W Slide Rule, Man | $0.99 | 03-Feb-2008 | 1 |
| vintage wood slide rule Keuffel & Esser | $0.99 | 06-Feb-2008 | 1 |
| KEUFFEL ESSER N4081-3 slide ruler & tensometer | $0.99 | 03-Feb-2008 | 1 |
| K&E 4041F Slide Rule - Finely Divided - Rare E | $250.00 | 18-Feb-2008 | 0 |
| K&E 4053-3F Slide Rule - Finely Divided Keuffe | $250.00 | 18-Feb-2008 | 0 |
| Vintage WWII Graphical Firing Table K E Slide | $189.00 | 18-Feb-2008 | 0 |
| K&E 4139 Cooke Radio Slide Rule w/ Manual - Ni | $150.00 | 18-Feb-2008 | 0 |
| Keuffel & Esser N4053-5 Slide Rule Rare 20 inc | $140.00 | 16-Feb-2008 | 0 |
| K+E Associated Spring Corp - Washer Computor S | $139.99 | 18-Feb-2008 | 0 |
| Keuffel & Esser N4053-5 Slide Rule Rare 20 inc | $110.00 | 25-Feb-2008 | 0 |
| "Keuffel Essler 4181-1 Slide Rule Copyright 19 | $100.00 | 20-Feb-2008 | 0 |
| Rare K & E Co N.Y. <4081-3> Slide Rule With Ca | $99.00 | 24-Feb-2008 | 0 |
| Doric K&E slide ruler Apollo Gemini NASA engin | $99.00 | 27-Feb-2008 | 0 |
| K&E KEUFFEL & ESSER 4031 Slide Rule with Magni | $50.00 | 12-Feb-2008 | 0 |
| Vintage K & E Slide Ruler - Very old model | $50.00 | 14-Feb-2008 | 0 |
| K&E KEUFFEL & ESSER 4031 Slide Rule with Magni | $50.00 | 06-Feb-2008 | 0 |
| K&E Slide Rule-No. 68 1220-Log Log Duplex Deci | $49.99 | 03-Feb-2008 | 0 |
| K&E No. 4088-2 Slide Rule/Case-8in Model | $49.00 | 02-Feb-2008 | 0 |
| 1920's Antique Mannheim Slide Rule Keuffel & E | $29.99 | 21-Feb-2008 | 0 |
| Keuffel & Esser N4053-3 Slide Rule Marked US G | $29.50 | 16-Feb-2008 | 0 |
| B36 Keuffel & Esser Co. N.Y. Slide Rule USA 19 | $29.00 | 20-Feb-2008 | 0 |
| B36 Keuffel & Esser Co. N.Y. Slide Rule USA an | $29.00 | 20-Feb-2008 | 0 |
| Keuffel & Esser Mahogany Slide Rule | $25.00 | 11-Feb-2008 | 0 |
| K&E Slide Rule-No. 4098A | $24.99 | 04-Feb-2008 | 0 |
| "Vintage K + E SLIDE RULE w/original box, NR" | $24.99 | 20-Feb-2008 | 0 |
| "Vntg Keuffel & Esser Mdl 4088-3 Slide Rule, L | $24.95 | 21-Feb-2008 | 0 |
| Keuffel & Esser N4053-3 Slide Rule Marked US G | $24.50 | 25-Feb-2008 | 0 |
| Keuffel & Esser 4090-3 slide rule sliderule 40 | $22.99 | 06-Feb-2008 | 0 |
| Vintage Kueffel and Esser GP12 Slide Rule w/ c | $20.00 | 05-Feb-2008 | 0 |
| KEUFFEL & ESSER N 4133 ELECTRICAL SLIDE RULE | $20.00 | 20-Feb-2008 | 0 |
| Vintage Slide Rule Keuffel & Esser Co. in Leat | $19.99 | 19-Feb-2008 | 0 |
| VINTAGE K & E BEGINNER'S SLIDE RULE 4058C #3 | $18.00 | 03-Feb-2008 | 0 |
| VINTAGE K & E SLIDE RULE 4070-3 #7 | $18.00 | 03-Feb-2008 | 0 |
| VINTAGE K & E SLIDE RULE 4080-3 LOG LOG DUPLEX | $18.00 | 03-Feb-2008 | 0 |
| KEUFFEL & ESSER LOG DUPLEX DECRITRIG 4081-3 SL | $15.99 | 03-Feb-2008 | 0 |
| Antique Heuffel & Esser Slide Rule | $15.00 | 08-Feb-2008 | 0 |
| VINTAGE K & E SLIDE RULE 4080-3 LOG LOG DUPLEX | $15.00 | 10-Feb-2008 | 0 |
| VINTAGE K & E SLIDE RULE 4070-3 #7 | $15.00 | 10-Feb-2008 | 0 |
| K&E SLIDE RULE KEUFFEL & ESSER W CASE ORIG BOX | $14.99 | 28-Feb-2008 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE | $13.95 | 10-Feb-2008 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE | $13.95 | 03-Feb-2008 | 0 |
| Keuffel & Esser Slide Rule 4053-3 | $12.50 | 18-Feb-2008 | 0 |
| K&E KEUFFER & ESSER CO. SLIDE RULER | $10.00 | 13-Feb-2008 | 0 |
| K&E Model 4055 SLIDE RULE with ORIGINAL CASE ~ | $9.99 | 19-Feb-2008 | 0 |
| Keuffel & Esser Booklet on The Mannheim Slide | $9.99 | 20-Feb-2008 | 0 |
| "Vintage KEUFFEL & ESSER CO. Slide Rule 4058C, | $9.99 | 14-Feb-2008 | 0 |
| VINTAGE KEUFFEL ESSER SLIDE RULE & RULER LOT* | $9.99 | 10-Feb-2008 | 0 |
| Vintage Old K&E Keuffel & Esser Slide Rule Sch | $9.99 | 05-Feb-2008 | 0 |
| "Keuffel & Esser Beginner's Slide Rule, 4058W, | $9.99 | 20-Feb-2008 | 0 |
| K&E Slide Rule-No. 4098A | $9.99 | 20-Feb-2008 | 0 |
| KEUFFEL & ESSER Drawing Set wBox Slide Rule Ma | $9.99 | 24-Feb-2008 | 0 |
| VINTAGE KEUFFER & ESSER BEGINNER'S SLIDE RULE | $9.99 | 16-Feb-2008 | 0 |
| K&E Slide rule & Case-Give away for Holidays.. | $9.99 | 24-Feb-2008 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 06-Feb-2008 | 0 |
| "K & E SLIDE RULE DORIC 9061-1 6"" SLIDE RULE" | $9.99 | 19-Feb-2008 | 0 |
| VINTAGE SLIDE RULE #821477- KEUFFEL & ESSER CO | $9.99 | 25-Feb-2008 | 0 |
| VINTAGE KEUFFER & ESSER BEGINNER'S SLIDE RULE | $9.99 | 23-Feb-2008 | 0 |
| VINTAGE KEUFFEL & ESSER N4053-3 K&E SLIDE RULE | $9.99 | 03-Feb-2008 | 0 |
| Vintage K & E Keuffel and Esser Co. Slide Rule | $9.99 | 26-Feb-2008 | 0 |
| SLIDE RULE MANUAL K & E 1947 LOG LOG DUPLEX NA | $9.99 | 21-Feb-2008 | 0 |
| Vintage Keuffel & Esser Co. NY Slide Rule Rule | $9.99 | 27-Feb-2008 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 27-Feb-2008 | 0 |
| Keuffel & Esser Vintage Beginner's Slide Rule | $9.99 | 03-Feb-2008 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 13-Feb-2008 | 0 |
| Vintage Wood K&E Beginner's Slide Rule 4058W | $9.99 | 03-Feb-2008 | 0 |
| vintage 4053 Keuffel & Esser K&E slide rule Pa | $9.99 | 02-Feb-2008 | 0 |
| K&E 4081-3 Log Log Duplex Decitrig Slide Rule | $9.99 | 28-Feb-2008 | 0 |
| KEUFFEL & ESSER # 4058W BEGINNERS SLIDE RULE | $9.99 | 02-Feb-2008 | 0 |
| WONDERFUL KEUFFEL & ESSER CO. SLIDE RULE IN CA | $9.99 | 20-Feb-2008 | 0 |
| WONDERFUL KEUFFEL & ESSER CO. SLIDE RULE IN CA | $9.99 | 20-Feb-2008 | 0 |
| Vintage K & E 4088-3 Slide Rule Keuffel & Esse | $9.99 | 23-Feb-2008 | 0 |
| KEUFFEL & ESSER VINTAGE BEGINNERS SLIDE RULE 4 | $9.99 | 29-Feb-2008 | 0 |
| VINTAGE K&E SLIDE RULE 4093-3 KEUFFEL & ESSER | $9.95 | 03-Feb-2008 | 0 |
| Vintage K & E Doric Lettering Set #8915 not Sl | $9.95 | 10-Feb-2008 | 0 |
| Slide Rule-Drawing-Engineering-Architect-Keuff | $9.95 | 24-Feb-2008 | 0 |
| Keuffel & Esser SLIDE RULE Model 4080-3 Patent | $9.95 | 23-Feb-2008 | 0 |
| Keuffel & Esser K & E Slide Rule with leather | $9.00 | 04-Feb-2008 | 0 |
| KEUFFEL& ESSER CO. BEGINNER'S SLIDE RULE #N405 | $9.00 | 08-Feb-2008 | 0 |
| Vintage Keuffel & Esser Ivory slide rule 4081- | $8.99 | 03-Feb-2008 | 0 |
| "Vintage Slide Rule Keuffel & Esser N4058W, wi | $8.00 | 16-Feb-2008 | 0 |
| KEUFFEL & ESSER K&E BEGINNERS SLIDE RULE N4058 | $7.77 | 10-Feb-2008 | 0 |
| 1933 KEUFFEL & ESSER NY NO 4053-3 SLIDE RULE I | $6.99 | 14-Feb-2008 | 0 |
| Vintage SLIDE RULE Handbook Engineer Drafting | $6.95 | 20-Feb-2008 | 0 |
| 1938 K & E Mannheim Slide Rule Manual 4031S 40 | $6.95 | 03-Feb-2008 | 0 |
| OLD VINTAGE KEUFFEL ESSER *BEGINNERS SLIDE RUL | $6.50 | 10-Feb-2008 | 0 |
| Slide Rule Manual Decitrig No.4081 Keuffel & E | $6.49 | 27-Feb-2008 | 0 |
| Vintage Keuffel & Esser Polyphase Duplex Slide | $5.99 | 25-Feb-2008 | 0 |
| Keuffel & Esser Co. # N4041 Slide Rule w/Leath | $5.99 | 24-Feb-2008 | 0 |
| "KEUFFEL & ESSER CO., NEW YORK SLIDE RULE #405 | $5.99 | 12-Feb-2008 | 0 |
| Keuffel & Esser Slide Rule Lot | $5.95 | 24-Feb-2008 | 0 |
| Keuffel & Esser Slide Rule Manual 1958 sc | $5.00 | 01-Feb-2008 | 0 |
| BEGINNER SLIDE RULE - KEUFFEL AND ESSER k&e 40 | $5.00 | 05-Feb-2008 | 0 |
| BEGINNER SLIDE RULE - KEUFFEL AND ESSER k&e 40 | $5.00 | 05-Feb-2008 | 0 |
| "10-1/2"" Keuffel & Esser Co. Beginner's Slide | $5.00 | 14-Feb-2008 | 0 |
| VINTAGE KEUFFEL & ESSER N4053-3 K&E SLIDE RULE | $5.00 | 10-Feb-2008 | 0 |
| Keuffel & Esser 4092 slide rule | $5.00 | 17-Feb-2008 | 0 |
| OLD VINTAGE KEUFFEL ESSER *BEGINNERS SLIDE RUL | $5.00 | 18-Feb-2008 | 0 |
| ANTIQUE KEUFFEL & ESSER NY SLIDE RULE PAT JUNE | $5.00 | 20-Feb-2008 | 0 |
| KEUFFEL & ESSER SLIDE RULE 4058W | $5.00 | 04-Feb-2008 | 0 |
| "10-1/2"" Keuffel & Esser Co. Beginner's Slide | $5.00 | 22-Feb-2008 | 0 |
| SLIDE RULE MANUAL KEUFFEL & ESSER CO. #4070 | $5.00 | 18-Feb-2008 | 0 |
| Keuffel & Esser Vintage Slide Rule Mannheim Ty | $4.99 | 27-Feb-2008 | 0 |
| 1936 K & E Keuffel & Esser Polyphase Slide Rul | $4.99 | 11-Feb-2008 | 0 |
| VINTAGE BEGINNER KEUFFEL & ESSER SLIDE RULE WI | $4.99 | 10-Feb-2008 | 0 |
| Slide Rule Manual Keuffel & Esser Mannheim | $4.99 | 21-Feb-2008 | 0 |
| Slide Rule Manual Polyphase Keuffel & Esser N4 | $4.99 | 21-Feb-2008 | 0 |
| Slide Rule Manual K & E Log Log Duplex Decitri | $4.99 | 21-Feb-2008 | 0 |
| 1944 KEUFFEL & ESSER SLIDE RULE MANUAL #N4053 | $4.99 | 20-Feb-2008 | 0 |
| 1927 SC MANNHEIM SLIDE RULE by KEUFFEL & ESSOR | $4.99 | 03-Feb-2008 | 0 |
| KEUFFEL& ESSER CO. BEGINNER'S SLIDE RULE #N405 | $4.00 | 19-Feb-2008 | 0 |
| 1939 K&E Polyphase Duplex Decitrig SLIDE RULE | $3.99 | 20-Feb-2008 | 0 |
| K & E Slide Rule | $3.50 | 25-Feb-2008 | 0 |
| KEUFFEL & ESSER K&E 4058 W SLIDE RULE W LEATHE | $3.45 | 20-Feb-2008 | 0 |
| K&E Keuffel & Esser Beginner's Slide Rule 4058 | $3.00 | 24-Feb-2008 | 0 |
| KEUFFEL & ESSER CO. N 4041 Slide Rule | $2.99 | 25-Feb-2008 | 0 |
| Keuffel & Esser Co. N.Y. 4056 Slide Rule N/R | $2.95 | 23-Feb-2008 | 0 |
| "Keuffek & Esser Co, Slide Rule with hard case | $1.99 | 06-Feb-2008 | 0 |
| Keuffel & Esser Slide Rule | $0.99 | 10-Feb-2008 | 0 |