| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-May-2007 to 31-May-2007 | ||
| Number of bidded items | 1979 | |
| Number of unbidded items | 624 | |
| Total sales | $ 82794 | |
Most expensive items | ||
| K&E Cox Duplex Slide Rule Pat.1891 | $1325.00 | |
| "RARE! Antique 12,5m NESTLER Cylindrical SLIDE | $1200.00 | |
| Thacher's Calculating Instrument slide rule 40 | $1126.00 | |
| RARE SUN HEMMI BAMBOO SLIDE RULE CAT. No. 301 | $687.00 | |
| Large Pickett Demonstration Slide Rule | $382.00 | |
| Large Pickett Demonstration Slide Rule 4 Feet | $356.01 | |
| VINTAGE PICKETT N18T MICROWAVE TRANSMISSION SL | $355.00 | |
| Aristo 0972 HyperLog Duplex Slide Rule -NEW iI | $349.00 | |
| "Faber-Castell 2/83N Slide Rule, New in Box" | $347.50 | |
| K & E Co NY Pat 1900 Ivory/Wood Slide Rule & C | $333.92 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | $306.00 | |
| "K&E 68 1200 LOG LOG DUPLEX DECITRIG SLIDE RUL | $305.00 | |
| Double Slide Rule: Hudson's Horse Power Comput | $292.00 | |
| Dennert & Pape Slide Rule with Chisel Cursor - | $281.01 | |
| Aristo 0972 HyperLog Duplex Slide Rule -NEW iI | $280.00 | |
| K&E Webb's Stadia slide rule - very unusual! | $276.71 | |
| Gerber Graphanalogue Model GA-103 Slide Rule c | $267.00 | |
| Pickett/Collins C19-T Microwave Transmission S | $264.99 | |
| Hemmi 257L Chemistry-Chemical Engineer Slide R | $262.00 | |
| Faber Castell NOVO DUPLEX 2/83 N slide rule bo | $260.00 | |
Items with most bids | ||
| "Faber-Castell 2/83N Slide Rule, New in Box" | 39 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 29 | |
| C. Conrad Air Commander Chrono Diamond Gold Sl | 28 | |
| Double Slide Rule: Hudson's Horse Power Comput | 27 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 27 | |
| VINTAGE POST VERSALOG HEMMI JAPAN SLIDE RULE B | 27 | |
| SEIKO Pilot Slide Rule Navigator SplitSec Chro | 27 | |
| SEIKO Pilot Slide Rule Navigator SplitSec Chro | 27 | |
| SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT | 27 | |
| Faber Castell 62/83N & 2/83N Slide Rules! Dyna | 26 | |
| K&E Cox Duplex Slide Rule Pat.1891 | 26 | |
| Large Pickett Demonstration Slide Rule | 25 | |
| SEIKO stunning JetBlack pilot sliderule Chrono | 25 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 25 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 25 | |
| vintage dietzgen surveying tripod and slide ru | 24 | |
| SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M WR | 24 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 24 | |
| NEW SEIKO PRO Flight Slide Ruler Chrono 100M M | 24 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 24 | |
Items with at least one bid | ||
| Average price | $41.84 | |
| Median price | $21.31 | |
| Upper quartile price | $59.00 | |
| Upper decile price | $88.00 | |
Items with no bid | ||
| Average price | $21.29 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $49.36 | $22.27 |
| Mon | $37.71 | $18.29 |
| Tue | $34.86 | $19.99 |
| Wed | $48.38 | $26.00 |
| Thu | $43.62 | $25.00 |
| Fri | $40.46 | $25.00 |
| Sat | $34.60 | $16.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $33.13 | $20.00 |
| 2 | $71.14 | $29.99 |
| 3 | $38.43 | $22.72 |
| 4 | $45.19 | $43.50 |
| 5 | $33.43 | $14.95 |
| 6 | $46.88 | $22.27 |
| 7 | $32.87 | $14.97 |
| 8 | $32.84 | $18.29 |
| 9 | $38.46 | $24.99 |
| 10 | $39.04 | $28.00 |
| 11 | $47.68 | $27.00 |
| 12 | $31.95 | $17.02 |
| 13 | $54.32 | $21.27 |
| 14 | $43.55 | $25.00 |
| 15 | $44.16 | $30.00 |
| 16 | $45.03 | $33.00 |
| 17 | $48.27 | $27.00 |
| 18 | $35.94 | $25.00 |
| 19 | $35.81 | $17.50 |
| 20 | $45.06 | $26.99 |
| 21 | $34.81 | $17.50 |
| 22 | $32.81 | $17.39 |
| 23 | $30.71 | $18.09 |
| 24 | $62.06 | $30.00 |
| 25 | $34.91 | $20.00 |
| 26 | $38.61 | $26.00 |
| 27 | $49.46 | $15.50 |
| 28 | $39.69 | $15.50 |
| 29 | $35.21 | $15.00 |
| 30 | $60.76 | $27.95 |
| 31 | $37.49 | $20.07 |
Number of sales by maker | ||
| Keuffel and Esser | 423 | |
| Pickett | 395 | |
| Post | 144 | |
| Faber Castell | 106 | |
| Dietzgen | 89 | |
| Sun Hemmi | 53 | |
| Sterling | 45 | |
| Aristo | 41 | |
| Lawrence | 32 | |
| Nestler | 30 | |
| Texas Instruments | 17 | |
| AcuMath | 16 | |
| Concise | 11 | |
| Thornton | 4 | |
| Otis King | 1 | |
| Fullerton | 1 | |
| Fuller | 0 | |
| Lafayette | 0 | |
| Other | 1195 | |