| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Aug-2007 to 31-Aug-2007 | ||
| Number of bidded items | 1920 | |
| Number of unbidded items | 718 | |
| Total sales | $ 83313 | |
Most expensive items | ||
| RARE Keuffel & Esser Analon Scientific Slide R | $1325.00 | |
| EXCELLENT CURTA MODEL I CALCULATOR/SLIDE RULE | $1278.00 | |
| RARE 1850s Stanley Boucher Pocket Watch Slide | $737.00 | |
| Keuffel & Esser Analon 68 1400 Slide Rule - w/ | $735.65 | |
| Keuffel & Esser Analon 68 1400 Slide Rule | $690.00 | |
| C.H. Webb:The Adder - Circular Calculator - Sl | $458.28 | |
| Vintage Halden Calculex Circular Slide Rule Ca | $457.00 | |
| BRAILLE SLIDE RULE For BLIND Sign Language 196 | $442.88 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | $365.00 | |
| "CIRCULAR SLIDE RULE/CALCULATOR, THE MECHANICA | $350.00 | |
| "VERY RARE SORNA SWISS DBL CHRONO, WORLD TIME, | $349.00 | |
| Pickett Slide Rule Parts Kit - Box Full of Par | $311.02 | |
| 4-ft Pickett Teaching Demonstration Slide Rule | $300.00 | |
| FABER-CASTELL 2/83N NOVO-BIPLEX Precision SLID | $299.99 | |
| "VERY RARE SORNA SWISS DBL CHRONO, WORLD TIME, | $299.00 | |
| EARLY KEUFFEL & ESSER SLIDE RULE MOD # 4071T- | $280.25 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | $270.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| "VERY RARE SORNA SWISS DBL CHRONO, WORLD TIME, | $259.00 | |
Items with most bids | ||
| Constantin DurmontŪ Navigator Slide Rule Pilot | 60 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 56 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 54 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 41 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 40 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 36 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 34 | |
| Pickett N4-ES Vector Type Log Log All Metal SL | 33 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 30 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 30 | |
| SEIKO stunning JetBlack pilot sliderule Chrono | 27 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 27 | |
| SEIKO stunning Sky Blue pilot slide rule Chron | 27 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 26 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 26 | |
| SEIKO stunning JetBlack pilot sliderule Chrono | 26 | |
| K & E Deci-Lon 68-1100 Slide Rule with Manual | 25 | |
| ANTIQUE HALDEN CALCULEX CIRCULAR SLIDE RULE CA | 24 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M WR | 24 | |
| VINTAGE PICKETT SLIDE RULE N 4 ES (( NEW )) L@ | 24 | |
Items with at least one bid | ||
| Average price | $43.39 | |
| Median price | $20.49 | |
| Upper quartile price | $69.95 | |
| Upper decile price | $89.00 | |
Items with no bid | ||
| Average price | $10.57 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $40.59 | $15.01 |
| Mon | $49.51 | $26.00 |
| Tue | $43.76 | $21.30 |
| Wed | $40.49 | $20.50 |
| Thu | $42.43 | $20.00 |
| Fri | $44.81 | $17.09 |
| Sat | $44.83 | $25.37 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $62.53 | $22.19 |
| 2 | $35.67 | $14.99 |
| 3 | $40.58 | $15.00 |
| 4 | $42.11 | $15.50 |
| 5 | $36.43 | $12.50 |
| 6 | $52.75 | $24.99 |
| 7 | $36.54 | $23.02 |
| 8 | $31.00 | $14.95 |
| 9 | $38.95 | $19.99 |
| 10 | $71.02 | $15.89 |
| 11 | $47.14 | $25.37 |
| 12 | $42.58 | $21.00 |
| 13 | $46.26 | $24.16 |
| 14 | $44.66 | $25.55 |
| 15 | $38.65 | $24.30 |
| 16 | $47.16 | $21.27 |
| 17 | $36.91 | $16.99 |
| 18 | $39.49 | $21.25 |
| 19 | $34.96 | $13.95 |
| 20 | $60.16 | $45.00 |
| 21 | $42.24 | $17.45 |
| 22 | $32.93 | $18.01 |
| 23 | $50.77 | $35.00 |
| 24 | $31.26 | $17.50 |
| 25 | $49.97 | $38.00 |
| 26 | $49.18 | $18.50 |
| 27 | $40.77 | $26.00 |
| 28 | $49.32 | $22.50 |
| 29 | $49.76 | $31.00 |
| 30 | $37.87 | $20.00 |
| 31 | $47.92 | $26.00 |
Number of sales by maker | ||
| Pickett | 378 | |
| Keuffel and Esser | 366 | |
| Post | 151 | |
| Faber Castell | 89 | |
| Dietzgen | 78 | |
| Sterling | 51 | |
| Sun Hemmi | 45 | |
| Aristo | 37 | |
| Lawrence | 29 | |
| Texas Instruments | 24 | |
| Concise | 16 | |
| AcuMath | 13 | |
| Lafayette | 8 | |
| Otis King | 5 | |
| Nestler | 5 | |
| Fullerton | 2 | |
| Thornton | 1 | |
| Fuller | 0 | |
| Other | 1340 | |