| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Jul-2007 to 31-Jul-2007 | ||
| Number of bidded items | 1934 | |
| Number of unbidded items | 559 | |
| Total sales | $ 75863 | |
Most expensive items | ||
| SOLID BRASS K & E SLIDE RULE TEMPLATE | $910.00 | |
| Keuffel & Esser K&E Engineering Slide Rule & C | $722.00 | |
| Vintage K&E ANALON SCIENCE ANALYSIS SLIDE RULE | $430.00 | |
| "Keuffel & Esser Duplex Slide Rule Oct 6, 1891 | $427.22 | |
| K&E Desk Slide Rule (20 inches long ) w/Case T | $376.00 | |
| Old Circular CALCULATOR or SLIDE RULE in Box w | $345.00 | |
| RARE LARGE 7 FEET FT LONG K&E KEUFFEL ESSER SL | $326.87 | |
| 1957 RARE PICKETT COMMON RAFTER SCALE SLIDE RU | $306.10 | |
| VINTAGE FULLERS SPIRAL SLIDE RULE BY STANLEY - | $282.00 | |
| Giant wooden Pickett 7 foot Slide Rule N 1010E | $282.00 | |
| Sun Hemmi Bamboo Slide Rule No. 154 Made in Ja | $270.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Pickett N4 Vector All Metal Slide Rule Box, I | $257.01 | |
| PICKETT SLIDE RULE - 7 FEET LONG X 10&1/2 INCH | $256.00 | |
Items with most bids | ||
| C. Conrad Air Commander Chrono Diamond Steel S | 35 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 33 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 33 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 32 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 32 | |
| 4 different slide rule ARISTO and Faber Castel | 31 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 30 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 28 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 27 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 27 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 27 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 27 | |
| BLACK SEIKO PILOT SLIDE RULE CHRONOGRAPH WATCH | 26 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 26 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 25 | |
| Keuffel & Esser K&E Engineering Slide Rule & C | 25 | |
| C. Conrad Air Commander Chrono Diamond Steel S | 25 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 24 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 23 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 23 | |
Items with at least one bid | ||
| Average price | $39.23 | |
| Median price | $18.00 | |
| Upper quartile price | $56.00 | |
| Upper decile price | $89.00 | |
Items with no bid | ||
| Average price | $14.78 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $35.55 | $16.37 |
| Mon | $38.16 | $15.50 |
| Tue | $41.79 | $19.95 |
| Wed | $42.16 | $20.50 |
| Thu | $40.90 | $18.50 |
| Fri | $36.08 | $18.50 |
| Sat | $44.01 | $20.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $32.20 | $15.50 |
| 2 | $33.17 | $16.50 |
| 3 | $28.17 | $14.95 |
| 4 | $45.70 | $19.95 |
| 5 | $44.16 | $15.50 |
| 6 | $40.51 | $24.95 |
| 7 | $41.08 | $16.50 |
| 8 | $28.95 | $13.95 |
| 9 | $38.77 | $27.00 |
| 10 | $48.28 | $27.95 |
| 11 | $41.86 | $18.60 |
| 12 | $39.78 | $26.50 |
| 13 | $34.83 | $15.50 |
| 14 | $51.17 | $27.60 |
| 15 | $39.12 | $14.99 |
| 16 | $42.27 | $16.00 |
| 17 | $39.35 | $19.99 |
| 18 | $44.01 | $26.50 |
| 19 | $47.20 | $21.50 |
| 20 | $35.67 | $19.95 |
| 21 | $45.86 | $48.00 |
| 22 | $40.07 | $20.50 |
| 23 | $31.54 | $16.00 |
| 24 | $62.41 | $20.05 |
| 25 | $36.33 | $20.50 |
| 26 | $33.54 | $14.95 |
| 27 | $32.61 | $14.99 |
| 28 | $36.46 | $18.00 |
| 29 | $34.77 | $17.50 |
| 30 | $43.87 | $14.95 |
| 31 | $33.80 | $19.99 |
Number of sales by maker | ||
| Keuffel and Esser | 422 | |
| Pickett | 388 | |
| Post | 172 | |
| Faber Castell | 95 | |
| Dietzgen | 80 | |
| Sun Hemmi | 57 | |
| Sterling | 48 | |
| Aristo | 45 | |
| Lawrence | 29 | |
| Texas Instruments | 24 | |
| Concise | 16 | |
| Nestler | 15 | |
| AcuMath | 9 | |
| Lafayette | 5 | |
| Thornton | 3 | |
| Fuller | 2 | |
| Otis King | 1 | |
| Fullerton | 1 | |
| Other | 1081 | |