| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Jun-2007 to 30-Jun-2007 | ||
| Number of bidded items | 1797 | |
| Number of unbidded items | 443 | |
| Total sales | $ 75586 | |
Most expensive items | ||
| 1891 W.M. COX KEUFFEL & ESSER K&E SLIDE RULE | $2600.00 | |
| KEUFFER & ESSER THACHER'S #4012 SLIDE RULE K&E | $999.99 | |
| VINTAGE SWISS JUVENIA ARITHMO SLIDE RULE BEZEL | $899.99 | |
| VINTAGE ANTIQUE KEUFFEL & ESSER SLIDE RULE W/ | $888.91 | |
| 1957 RARE PICKETT COMMON RAFTER SCALE SLIDE RU | $425.01 | |
| Thacher's Calculating Instrument 4012 slide ru | $404.09 | |
| Exceptional big French 2 slide rule Meteorolog | $400.00 | |
| Early E.D. Co Slide Rule PAT APPLD FOR Serif # | $360.00 | |
| Geeks' Delight - Giant 4 Foot Wooden Slide Rul | $331.80 | |
| Aristo 0971 HyperBolog Duplex Slide Rule -NEW | $295.00 | |
| C. Conrad Air Commander Chrono Diamond Steel S | $285.00 | |
| "PICKETT No.17 RADIATION SLIDE RULE 12"" MINT | $280.00 | |
| Giant wooden Pickett 4 foot Slide Rule N 1010E | $262.00 | |
| "Faber-Castell Slide Rule, 2/83N , New in Box" | $259.00 | |
| Faber Castell NOVO DUPLEX 2/83 N slide rule bo | $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 | |
Items with most bids | ||
| NOS K&E KEUFFEL ESSER SLIDE RULE 4143 BOX BOOK | 34 | |
| Vintage K&E Keuffel & Esser Wooden Slide Rule | 29 | |
| C. Conrad Air Commander Chrono Diamond Steel S | 29 | |
| Seiko Black Dial Navigator Slide Rule Split Se | 27 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 25 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 25 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M SND | 23 | |
| "STERLING SILVER SLIDE RULE TIE BAR,CLASP" | 23 | |
| SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT | 23 | |
| Dietzgen Microglide Slide Rule Dec. trig. log | 23 | |
| POST Versalog 1460 Slide Rule - Leather Case a | 22 | |
| VINTAGE ANTIQUE KEUFFEL & ESSER SLIDE RULE W/ | 22 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 22 | |
| RARE VINTAGE SEIKO 5 SPORTS 7017 SPEEDTIMER SL | 22 | |
| slide rule Faber Castell Germany 62/83 N novo | 22 | |
| SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT | 22 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 22 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 22 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 22 | |
| S & E Concise Chemical Tables & Circular Slide | 22 | |
Items with at least one bid | ||
| Average price | $42.06 | |
| Median price | $18.99 | |
| Upper quartile price | $59.00 | |
| Upper decile price | $90.00 | |
Items with no bid | ||
| Average price | $19.20 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $40.15 | $18.50 |
| Mon | $37.96 | $16.56 |
| Tue | $41.65 | $17.99 |
| Wed | $38.89 | $19.99 |
| Thu | $42.01 | $20.49 |
| Fri | $54.68 | $20.50 |
| Sat | $40.24 | $19.95 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $29.04 | $15.50 |
| 2 | $34.43 | $17.99 |
| 3 | $33.07 | $17.50 |
| 4 | $32.79 | $16.56 |
| 5 | $56.45 | $24.00 |
| 6 | $38.56 | $21.99 |
| 7 | $36.51 | $14.99 |
| 8 | $48.77 | $24.99 |
| 9 | $42.20 | $31.00 |
| 10 | $45.28 | $18.50 |
| 11 | $45.11 | $12.99 |
| 12 | $39.87 | $16.75 |
| 13 | $40.41 | $24.50 |
| 14 | $49.83 | $19.00 |
| 15 | $39.47 | $22.00 |
| 16 | $35.29 | $16.89 |
| 17 | $41.14 | $19.00 |
| 18 | $37.02 | $20.50 |
| 19 | $35.30 | $18.50 |
| 20 | $29.81 | $14.99 |
| 21 | $42.05 | $32.99 |
| 22 | $46.05 | $22.50 |
| 23 | $45.91 | $18.49 |
| 24 | $40.64 | $23.50 |
| 25 | $37.74 | $21.01 |
| 26 | $33.99 | $14.95 |
| 27 | $45.89 | $20.50 |
| 28 | $39.54 | $28.77 |
| 29 | $110.65 | $30.00 |
| 30 | $42.17 | $29.00 |
Number of sales by maker | ||
| Keuffel and Esser | 372 | |
| Pickett | 340 | |
| Post | 137 | |
| Faber Castell | 88 | |
| Dietzgen | 79 | |
| Sterling | 53 | |
| Sun Hemmi | 43 | |
| Aristo | 41 | |
| Lawrence | 25 | |
| Texas Instruments | 23 | |
| Nestler | 14 | |
| Concise | 9 | |
| AcuMath | 7 | |
| Lafayette | 4 | |
| Thornton | 2 | |
| Fuller | 1 | |
| Otis King | 1 | |
| Fullerton | 1 | |
| Other | 1000 | |