| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Nov-2007 to 30-Nov-2007 | ||
| Number of bidded items | 2058 | |
| Number of unbidded items | 421 | |
| Total sales | $ 96296 | |
Most expensive items | ||
| ESTATE SWISS BREITLING CHRONOMAT SLIDE RULE ME | $1613.00 | |
| Swiss Made Zeno Watch XXL Slide Rule Automatic | $1500.00 | |
| Swiss Made Zeno Watch XXL Slide Rule Automatic | $1500.00 | |
| Swiss Made Zeno Watch XXL Slide Rule Automatic | $1500.00 | |
| RARE CIRCULAR SLIDE RULE C.& A. FERRERO ITALY | $1126.55 | |
| RARE LORD'S POCKET SLIDERULE/CALCULATOR BY W.W | $838.00 | |
| Swiss Made Revue Thommen Pilot Pro Slide Rule | $775.00 | |
| RARE BRASS CIRCULAR SLIDE RULE CARBIC LTD OF E | $599.00 | |
| 12 in. KEUFFELL & ESSER ANALON SYSTEM SLIDE RU | $598.85 | |
| RARE BLACK SCALE OTIS KING SLIDERULE/CALCULATO | $560.00 | |
| "K&E 4081-5 (22"") AND K&E N 4081-3 (12"") sli | $525.00 | |
| APOLLO MISSION PICKETT 600M-T Slide Rule w/mag | $522.00 | |
| 2 Beautiful Vintage K&E Slide Rules in Leather | $521.00 | |
| Old and Rare 20 inch 4087 Keuffel Esser K&E Sl | $490.00 | |
| ANTIQUE FRENCH TAVERNIER-GRAVET SLIDE RULE BOX | $438.00 | |
| "Vintage: Old wooden slide rule, Rechenschiebe | $438.00 | |
| EARLY POCKET CALCULATOR/SLIDERULE | $390.00 | |
| MIB Faber Castell 4/54 (20 inch) Slide Rule Mi | $382.00 | |
| "Engineers Slide Rule, Thacher - Scofield - Ph | $381.67 | |
| 2 - K&E Slide Rules - 4088-3 and 4083T duplex/ | $380.00 | |
Items with most bids | ||
| Constantin DurmontŪ Navigator Slide Rule Pilot | 37 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 37 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 32 | |
| Rendex Chronograph Big Pilot No 7 with Slide R | 31 | |
| 6 in. PICKETT & ECKEL N 600 SLIDE RULE ALL MET | 30 | |
| Pickett Basic Trig Circular Metal Slide Rule N | 30 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 28 | |
| "ULTRA RARE VINTAGE SEIKO, 6138, SLIDERULE CAL | 28 | |
| Rendex Chronograph Big Pilot No 7 with Slide R | 27 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 27 | |
| PICKETT - ALL METAL SLIDE RULE - 2ES | 27 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 26 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 26 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 26 | |
| Vintage 1963 K&E 68-1100 Slide Rule Deci-lon w | 25 | |
| Staedtler-Mars Slide Rule and Case - excellent | 25 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 24 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 24 | |
| EARLY POCKET CALCULATOR/SLIDERULE | 24 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 24 | |
Items with at least one bid | ||
| Average price | $46.79 | |
| Median price | $22.48 | |
| Upper quartile price | $68.71 | |
| Upper decile price | $86.00 | |
Items with no bid | ||
| Average price | $17.84 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $38.07 | $20.50 |
| Mon | $48.31 | $22.27 |
| Tue | $45.54 | $24.19 |
| Wed | $51.10 | $25.00 |
| Thu | $47.88 | $19.00 |
| Fri | $56.67 | $27.00 |
| Sat | $46.39 | $23.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $42.84 | $31.00 |
| 2 | $78.20 | $28.00 |
| 3 | $34.63 | $26.00 |
| 4 | $34.34 | $16.50 |
| 5 | $33.02 | $15.65 |
| 6 | $55.36 | $27.00 |
| 7 | $50.84 | $22.05 |
| 8 | $29.81 | $16.19 |
| 9 | $39.54 | $22.50 |
| 10 | $56.41 | $20.40 |
| 11 | $36.51 | $19.49 |
| 12 | $62.11 | $23.48 |
| 13 | $49.75 | $18.57 |
| 14 | $42.13 | $22.00 |
| 15 | $32.97 | $16.99 |
| 16 | $66.35 | $34.30 |
| 17 | $36.84 | $19.50 |
| 18 | $41.82 | $21.56 |
| 19 | $40.87 | $26.00 |
| 20 | $38.91 | $29.00 |
| 21 | $49.03 | $24.99 |
| 22 | $57.76 | $17.61 |
| 23 | $43.72 | $29.01 |
| 24 | $59.71 | $48.00 |
| 25 | $39.35 | $22.72 |
| 26 | $53.88 | $31.30 |
| 27 | $37.97 | $22.75 |
| 28 | $61.91 | $34.95 |
| 29 | $83.24 | $19.00 |
| 30 | $57.18 | $24.99 |
Number of sales by maker | ||
| Keuffel and Esser | 355 | |
| Pickett | 353 | |
| Post | 133 | |
| Faber Castell | 82 | |
| Dietzgen | 72 | |
| Sterling | 42 | |
| Aristo | 41 | |
| Sun Hemmi | 27 | |
| Lawrence | 27 | |
| Concise | 23 | |
| Texas Instruments | 15 | |
| Nestler | 12 | |
| AcuMath | 9 | |
| Lafayette | 4 | |
| Fullerton | 2 | |
| Otis King | 2 | |
| Thornton | 2 | |
| Fuller | 1 | |
| Other | 1277 | |