| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Mar-2008 to 31-Mar-2008 | ||
| Number of bidded items | 1900 | |
| Number of unbidded items | 910 | |
| Total sales | $ 71122 | |
Most expensive items | ||
| "Stanley Fuller calculator slide rule Model 1, | $688.00 | |
| SEIKO 1960'S 6138-7000 SLIDE RULE WRISTWATCH | $520.00 | |
| 1881 KEUFFEL & ESSER NY ANTIQUE CALCULATOR SLI | $480.00 | |
| Seiko RARE 1960s Calculator Slide Rule Chrono | $455.00 | |
| Slide rule - Faber-Castell Tachymeter 4/38 Min | $433.00 | |
| "Vintage OTIS KING Slide Rule Model ""K"" Calc | $320.00 | |
| Pickett slide rule N $P_ES vector type Log Log | $305.00 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | $266.00 | |
| K & E Thacher Calculator slide rule reproducti | $256.00 | |
| WW II B-17G Load Adjuster Slide Rule Very Rare | $255.00 | |
| ~ VERY EARLY FOUR-SIDED BOXWOOD SLIDE RULE ~ | $250.00 | |
| HUGE LOT OF VINTAGE SLIDE RULES 206 VERY NICE | $233.60 | |
| Pickett Model 600 M-T Dual Base Log Log Slide | $229.72 | |
| Faber Castell NOVO DUPLEX 2/83 N slide rule bo | $229.00 | |
| Pickett Collins C19-T Microwave Transmission S | $227.50 | |
| Slide Rule Sun Hemmi No. 257 Chemical Engineer | $217.12 | |
| Faber-Castell 62/83N Novo-Duplex Slide Rule NI | $210.27 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | $210.00 | |
| Extremely Rare Pickett Circular Slide Rule Mod | $210.00 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | $209.48 | |
Items with most bids | ||
| "Vintage OTIS KING Slide Rule Model ""K"" Calc | 45 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 43 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 34 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 34 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 33 | |
| Slide Rule Sun Hemmi No. 257 Chemical Engineer | 32 | |
| Extremely Rare Pickett Circular Slide Rule Mod | 31 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 30 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 29 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 29 | |
| C. Durmont Pilot Pro Slide Rule Gold Chrono 8 | 29 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 29 | |
| C. Durmont Pilot Pro Slide Rule Gold Chrono 8 | 28 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | 28 | |
| Antique/Vintage Gilson Midget Circular Slide R | 25 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 24 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 24 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 24 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M SND | 24 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M SND | 23 | |
Items with at least one bid | ||
| Average price | $37.43 | |
| Median price | $20.49 | |
| Upper quartile price | $58.00 | |
| Upper decile price | $81.01 | |
Items with no bid | ||
| Average price | $38.06 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $38.63 | $20.49 |
| Mon | $41.87 | $20.50 |
| Tue | $38.59 | $26.00 |
| Wed | $34.37 | $20.50 |
| Thu | $37.87 | $21.50 |
| Fri | $35.42 | $16.50 |
| Sat | $33.80 | $18.06 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $39.19 | $24.95 |
| 2 | $39.76 | $23.27 |
| 3 | $57.91 | $43.58 |
| 4 | $29.17 | $15.50 |
| 5 | $37.92 | $22.35 |
| 6 | $41.70 | $22.14 |
| 7 | $34.32 | $25.06 |
| 8 | $32.62 | $21.50 |
| 9 | $36.89 | $23.60 |
| 10 | $47.66 | $26.00 |
| 11 | $39.20 | $28.51 |
| 12 | $38.54 | $21.75 |
| 13 | $33.67 | $26.67 |
| 14 | $31.94 | $16.50 |
| 15 | $34.57 | $17.50 |
| 16 | $41.05 | $18.71 |
| 17 | $37.17 | $22.05 |
| 18 | $45.11 | $45.00 |
| 19 | $25.76 | $15.50 |
| 20 | $43.97 | $34.50 |
| 21 | $29.02 | $18.54 |
| 22 | $30.42 | $16.76 |
| 23 | $35.98 | $20.49 |
| 24 | $34.73 | $18.71 |
| 25 | $39.80 | $23.00 |
| 26 | $33.58 | $18.26 |
| 27 | $32.41 | $15.50 |
| 28 | $46.62 | $15.45 |
| 29 | $33.77 | $15.85 |
| 30 | $39.40 | $17.50 |
| 31 | $38.97 | $18.82 |
Number of sales by maker | ||
| Keuffel and Esser | 463 | |
| Pickett | 403 | |
| Post | 165 | |
| Faber Castell | 106 | |
| Dietzgen | 89 | |
| Sun Hemmi | 73 | |
| Sterling | 65 | |
| Aristo | 57 | |
| Concise | 29 | |
| Lawrence | 25 | |
| AcuMath | 22 | |
| Nestler | 15 | |
| Texas Instruments | 12 | |
| Otis King | 7 | |
| Thornton | 4 | |
| Fullerton | 3 | |
| Lafayette | 3 | |
| Fuller | 1 | |
| Other | 1268 | |