| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Feb-2008 to 29-Feb-2008 | ||
| Number of bidded items | 1763 | |
| Number of unbidded items | 724 | |
| Total sales | $ 74543 | |
Most expensive items | ||
| Early K&E Model 1740 Thacher Slide Rule w/Disp | $810.88 | |
| Swiss Made Revue Thommen Pilot Pro Slide Rule | $775.00 | |
| Swiss Made Revue Thommen Pilot Pro Slide Rule | $765.00 | |
| Swiss Made Revue Thommen Pilot Pro Slide Rule | $765.00 | |
| Analon K&E Slide Rule 681400 Keuffel & Esser C | $611.00 | |
| "Stanley Fuller calculator slide rule Model 2, | $595.00 | |
| VERY RARE CIRCULAR SLIDE RULE FERRERO ITALY ++ | $567.00 | |
| Very rare K&E Decilon Teaching Slide Rule mode | $500.01 | |
| "Sun Hemmi Bamboo Slide Rule #279 W/ Case 22"" | $482.69 | |
| 1920 Fuller's Spiral Slide Rule Calculator | $470.00 | |
| "HUGE Lot Vintage Architecture Drafting Tools, | $400.00 | |
| SEIKO CHRONOGRAPH SLIDERULE CALCULATOR 6138-70 | $399.99 | |
| K & E Thacher Calculator slide rule reproducti | $330.25 | |
| BARNETT LONDON - Everard Type Slide Rule - 4 s | $325.00 | |
| 22 inch long KEUFFEL ESSER N4201 SLIDE RULE | $308.00 | |
| DRING & FAGE MAKER - Everard Type Slide Rule - | $295.00 | |
| Aristo 0972 Hyperlog advanced engineering slid | $275.00 | |
| "FABER-CASTELL 4/98 ELEKTRO SLIDE RULE W/CASE | $265.00 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | $261.06 | |
| Nash Logoscope Medical Diagnosis Slide Rule | $260.00 | |
Items with most bids | ||
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 41 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 41 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 32 | |
| ARISTO 972 slide rule regolo calcolatore intro | 32 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 31 | |
| Sun Hemmi Slide Rule Hughes Owens 1765 Occupie | 31 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 30 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 30 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 29 | |
| Teledyne Post Slide Rule Versalog 4CA-600 Hemm | 28 | |
| Lafayette Model 99-70559 full size Slide Rule | 28 | |
| "Stanley Fuller calculator slide rule Model 2, | 27 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 27 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 26 | |
| "Faber-Castell 63/83 Duplex slide rule, New in | 25 | |
| SEIKO CHRONOGRAPH PILOT AVIATION SLIDERULE WAT | 25 | |
| "K&E 6"" SLIDE SPEED RULE NO.4161-1 COLLECTIBL | 25 | |
| NEW SEIKO Pilot slide ruler CHRONO WR MENS WAT | 24 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 24 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M WR | 24 | |
Items with at least one bid | ||
| Average price | $42.28 | |
| Median price | $21.00 | |
| Upper quartile price | $68.00 | |
| Upper decile price | $84.00 | |
Items with no bid | ||
| Average price | $47.65 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $36.99 | $17.51 |
| Mon | $44.00 | $21.97 |
| Tue | $48.18 | $24.52 |
| Wed | $44.93 | $19.99 |
| Thu | $42.23 | $26.00 |
| Fri | $42.41 | $24.49 |
| Sat | $42.06 | $26.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $33.99 | $26.00 |
| 2 | $39.05 | $32.00 |
| 3 | $33.62 | $14.95 |
| 4 | $37.89 | $23.00 |
| 5 | $54.09 | $22.27 |
| 6 | $63.18 | $29.00 |
| 7 | $40.46 | $26.00 |
| 8 | $44.53 | $24.49 |
| 9 | $40.47 | $24.99 |
| 10 | $33.31 | $20.50 |
| 11 | $49.74 | $28.00 |
| 12 | $37.02 | $26.00 |
| 13 | $40.46 | $20.50 |
| 14 | $45.66 | $26.50 |
| 15 | $40.88 | $24.99 |
| 16 | $37.87 | $23.27 |
| 17 | $38.91 | $21.73 |
| 18 | $50.87 | $21.06 |
| 19 | $41.36 | $27.77 |
| 20 | $34.99 | $13.99 |
| 21 | $37.10 | $19.00 |
| 22 | $37.36 | $27.00 |
| 23 | $52.76 | $40.00 |
| 24 | $42.31 | $19.99 |
| 25 | $39.50 | $19.95 |
| 26 | $61.05 | $36.00 |
| 27 | $49.09 | $26.57 |
| 28 | $44.18 | $31.00 |
| 29 | $55.26 | $37.37 |
Number of sales by maker | ||
| Keuffel and Esser | 377 | |
| Pickett | 347 | |
| Post | 127 | |
| Faber Castell | 90 | |
| Dietzgen | 69 | |
| Sun Hemmi | 55 | |
| Aristo | 52 | |
| Sterling | 49 | |
| Concise | 25 | |
| Lawrence | 22 | |
| Texas Instruments | 18 | |
| AcuMath | 17 | |
| Nestler | 11 | |
| Otis King | 4 | |
| Lafayette | 3 | |
| Fuller | 2 | |
| Thornton | 2 | |
| Fullerton | 2 | |
| Other | 1215 | |