| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-May-2008 to 31-May-2008 | ||
| Number of bidded items | 1513 | |
| Number of unbidded items | 722 | |
| Total sales | $ 64310 | |
Most expensive items | ||
| Swiss Made Zeno Watch XXL Slide Rule Automatic | $1500.00 | |
| Fuller's Spiral Slide Rule Calculator by Stanl | $1125.00 | |
| "Very Rare Swiss Cylindrical Slide Rule Calcul | $1107.89 | |
| ZENO PROFESSIONAL PILOT'S SLIDE RULE CHRONOGRA | $1100.00 | |
| RARE-1935 PATENT MODEL slide rule Calculator M | $898.00 | |
| Faber Castell TR3 Slide Rule / Led Calculator | $750.00 | |
| K & E Thacher Calculator slide rule Keuffel & | $694.00 | |
| K & E Thacher Calculator slide rule reproducti | $611.01 | |
| German WWII Luftwaffe Navigational Slide Ruler | $611.00 | |
| Rare K&E ANALON 68-1400 Slide Rule with Case & | $599.00 | |
| NOS Sorna Chronograph Worldtime Slide Rule Cal | $598.00 | |
| Vintage Keuffel & Esser slide rule model 68140 | $581.01 | |
| VINTAGE CIRCULAR SLIDE RULE | $547.93 | |
| Sorna Chronograph Worldtime Slide Rule Calcula | $500.00 | |
| K&E KEUFFEL & ESSER RADIO SLIDE RULE & CASE #4 | $492.87 | |
| Giant Slide Rule | $462.57 | |
| K&E Keuffel & Esser #68-1400 Analon SLIDE RULE | $449.44 | |
| ANALON K+E Slide Rule w/ leather holder - Exce | $449.44 | |
| Keuffel & Esser K&E Engineer's Slide Rule Oct | $348.00 | |
| K & E Thacher Calculator slide rule reproducti | $341.00 | |
Items with most bids | ||
| Fuller's Spiral Slide Rule Calculator by Stanl | 39 | |
| SEIKO ULTI PILOT SLIDE RULE. CHRONO SND255P1 | 33 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 32 | |
| Sorna Chronograph Worldtime Slide Rule Calcula | 31 | |
| PICKETT CIRCULAR SLIDE RULE MODEL 101-C DIAL-R | 29 | |
| Vintage Texas Instruments SR-52 Slide Rule Cal | 28 | |
| REALLY NEAT OLD WORKING SLIDE RULE TIE CLIP BY | 27 | |
| PICKETT & ECKEL MODEL N300-T LOG- LOG SLIDE RU | 26 | |
| "Circular Binary Slide Rule with case, 1931 an | 25 | |
| LOT 2 SLIDE RULE BOOKS ISAAC ASIMOV + SIMPLIFY | 25 | |
| SEIKO DOUBLE CHRONO SLIDERULE MENS WATCH 6138- | 25 | |
| Faber-Castell 2/83N Novo-Duplex Slide Rule NIB | 24 | |
| SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT | 23 | |
| Constantin Durmont Navigator 8 Diamonds Slide- | 23 | |
| Slide Rule Pickett - Model Electronic N-16-ES | 22 | |
| SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH | 22 | |
| Isaac Asimov An Easy Introduction To The Slide | 22 | |
| MIB Pickett N525ES Stats Slide Rule Presentati | 22 | |
| NOS Sorna Chronograph Worldtime Slide Rule Cal | 22 | |
| Constantin DurmontŪ Navigator Slide Rule Pilot | 21 | |
Items with at least one bid | ||
| Average price | $42.50 | |
| Median price | $18.50 | |
| Upper quartile price | $49.99 | |
| Upper decile price | $82.51 | |
Items with no bid | ||
| Average price | $43.46 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $41.52 | $16.50 |
| Mon | $43.37 | $20.50 |
| Tue | $32.36 | $16.50 |
| Wed | $44.50 | $24.46 |
| Thu | $41.47 | $17.50 |
| Fri | $51.74 | $21.50 |
| Sat | $45.09 | $19.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $32.61 | $16.50 |
| 2 | $55.06 | $28.00 |
| 3 | $40.84 | $19.50 |
| 4 | $55.62 | $17.50 |
| 5 | $45.52 | $20.50 |
| 6 | $29.26 | $16.05 |
| 7 | $38.42 | $34.00 |
| 8 | $48.91 | $22.49 |
| 9 | $30.46 | $17.50 |
| 10 | $35.15 | $18.01 |
| 11 | $34.41 | $12.99 |
| 12 | $59.51 | $22.00 |
| 13 | $29.38 | $19.99 |
| 14 | $35.77 | $20.50 |
| 15 | $59.35 | $31.01 |
| 16 | $42.95 | $35.34 |
| 17 | $31.79 | $13.05 |
| 18 | $37.60 | $18.27 |
| 19 | $24.79 | $11.11 |
| 20 | $36.04 | $16.50 |
| 21 | $85.67 | $41.00 |
| 22 | $36.32 | $15.00 |
| 23 | $68.51 | $16.38 |
| 24 | $43.30 | $29.00 |
| 25 | $32.28 | $14.49 |
| 26 | $37.93 | $21.50 |
| 27 | $35.50 | $15.50 |
| 28 | $28.72 | $15.50 |
| 29 | $34.39 | $22.72 |
| 30 | $54.46 | $24.99 |
| 31 | $84.20 | $22.50 |
Number of sales by maker | ||
| Keuffel and Esser | 396 | |
| Pickett | 312 | |
| Post | 143 | |
| Faber Castell | 88 | |
| Dietzgen | 80 | |
| Aristo | 45 | |
| Sterling | 33 | |
| Lawrence | 31 | |
| Sun Hemmi | 23 | |
| Concise | 22 | |
| Texas Instruments | 21 | |
| AcuMath | 11 | |
| Nestler | 6 | |
| Thornton | 3 | |
| Lafayette | 3 | |
| Fullerton | 2 | |
| Otis King | 2 | |
| Fuller | 1 | |
| Other | 1013 | |