| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Jul-2008 to 31-Jul-2008 | ||
| Number of bidded items | 1450 | |
| Number of unbidded items | 983 | |
| Total sales | $ 50671 | |
Most expensive items | ||
| "Cylindrical Slide Rule Calculator by Loga, Sw | $945.00 | |
| Swiss Made Revue Thommen Pilot Pro Slide Rule | $850.00 | |
| "HIGGISON IVORY 24""-4 FOLD ENGINEERING RULE W | $790.00 | |
| 1972 Seiko Slide Rule Bezel Chronogaph Model 6 | $762.52 | |
| 1900 Keuffel&Esser Ivory and Wood Slide Rule W | $740.00 | |
| Sun Hemmi slide rule - Model 200 - With manual | $588.00 | |
| Sun Hemmi slide rule - Model 200 - With manual | $588.00 | |
| A RARE LOGA 7.5 M SLIDE RULER DRUM IN SUPERB C | $515.00 | |
| Giant Pickett Slide Rule 4 feet long! | $442.89 | |
| NOS Sorna Chronograph Worldtime Slide Rule Cal | $380.00 | |
| VINTAGE K & E KEUFFEL & ESSER SLIDE RULE 68-14 | $362.77 | |
| K & E Thacher Calculator slide rule reproducti | $355.00 | |
| Vintage 1951 Slide Rule w/ Leather Case | $350.67 | |
| Vintage 1951 Slide Rule w/ Leather Case | $350.67 | |
| VINTAGE OTIS KING POCKET CALCULATOR SLIDE RULE | $315.00 | |
| VERY RARE Faber Castell 334/87 DEMONSTRATION s | $306.99 | |
| A.W. Faber pencils box tin case calculator sli | $293.00 | |
| Citizen Eco-Drive Nighthawk Pilot Slide Rule B | $269.95 | |
| Gilson Atlas circular slide rule | $245.50 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | $242.50 | |
Items with most bids | ||
| POST VERSALOG SLIDE RULE in CASE + SIGMA SLIDE | 31 | |
| NEW SEIKO AVIATION Slide Rule Chrono MENS WATC | 31 | |
| NEW SEIKO AVIATION Slide Rule Chrono MENS WATC | 31 | |
| PICKETT ALL METAL POCKET LOG LOG SLIDE RULE 19 | 31 | |
| PICKETT ALL METAL POCKET LOG LOG SLIDE RULE 19 | 31 | |
| "HIGGISON IVORY 24""-4 FOLD ENGINEERING RULE W | 28 | |
| FREDERIK POST VERSALOG 1460 SLIDE RULE w/ CASE | 27 | |
| 1460 VERSALOG Slide Rule Fredrick Post Co. W/C | 26 | |
| "Dietzgen Microglide Slide Rule, CASE, Manual, | 26 | |
| C. Conrad Air Commander Chrono Diamond Gold Sl | 26 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 25 | |
| Vintage Pickett All Metal Slide Rule - Never U | 25 | |
| Hughes Owens Slide Rule - Model 1770 | 25 | |
| Gilson Atlas circular slide rule | 24 | |
| K&E slide rule - Duplex Log Log Decitrig - Mod | 24 | |
| HEAVY REICHARDT AUTO NAVIGATOR PILOTS WATCH SL | 24 | |
| Rendex Chronograph Big Pilot No 7 with Slide R | 24 | |
| "Cylindrical Slide Rule Calculator by Loga, Sw | 23 | |
| "1950s Alvin Elite Slide Rule Japan Model # 11 | 23 | |
| SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT | 23 | |
Items with at least one bid | ||
| Average price | $34.94 | |
| Median price | $14.16 | |
| Upper quartile price | $31.00 | |
| Upper decile price | $86.00 | |
Items with no bid | ||
| Average price | $39.78 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $38.15 | $14.49 |
| Mon | $37.00 | $15.50 |
| Tue | $33.47 | $14.50 |
| Wed | $30.43 | $14.99 |
| Thu | $33.91 | $12.50 |
| Fri | $31.18 | $12.99 |
| Sat | $41.44 | $13.49 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $39.22 | $13.13 |
| 2 | $29.98 | $12.50 |
| 3 | $47.68 | $15.50 |
| 4 | $33.71 | $12.50 |
| 5 | $30.62 | $13.00 |
| 6 | $30.85 | $11.49 |
| 7 | $35.82 | $20.00 |
| 8 | $28.58 | $19.49 |
| 9 | $24.64 | $12.16 |
| 10 | $16.14 | $12.99 |
| 11 | $38.98 | $17.99 |
| 12 | $57.07 | $43.00 |
| 13 | $44.72 | $16.00 |
| 14 | $31.93 | $11.25 |
| 15 | $28.74 | $14.95 |
| 16 | $42.66 | $18.09 |
| 17 | $26.42 | $9.99 |
| 18 | $26.85 | $14.90 |
| 19 | $25.42 | $10.52 |
| 20 | $34.39 | $12.50 |
| 21 | $56.65 | $21.01 |
| 22 | $45.51 | $18.90 |
| 23 | $25.66 | $19.99 |
| 24 | $24.19 | $10.76 |
| 25 | $24.76 | $12.99 |
| 26 | $53.83 | $12.50 |
| 27 | $39.12 | $16.50 |
| 28 | $29.51 | $16.40 |
| 29 | $29.77 | $9.99 |
| 30 | $27.59 | $12.50 |
| 31 | $27.47 | $14.50 |
Number of sales by maker | ||
| Keuffel and Esser | 429 | |
| Pickett | 369 | |
| Post | 147 | |
| Dietzgen | 111 | |
| Faber Castell | 81 | |
| Sterling | 48 | |
| Sun Hemmi | 42 | |
| Aristo | 32 | |
| Lawrence | 27 | |
| Concise | 25 | |
| Texas Instruments | 24 | |
| AcuMath | 16 | |
| Nestler | 10 | |
| Fullerton | 6 | |
| Otis King | 5 | |
| Lafayette | 3 | |
| Fuller | 0 | |
| Thornton | 0 | |
| Other | 1058 | |