| Slide Rules HOME page | PRICES | < SITE MAP > |
Detailed analysis from 01-Feb-2005 to 28-Feb-2005 | ||
| Number of bidded items | 1688 | |
| Number of unbidded items | 679 | |
| Total sales | $ 55198 | |
Most expensive items | ||
| Keuffel & Esser I-Q Slide Rule * Ultra Rare K+ | $667.76 | |
| Big 7' Pickett Teaching Slide Rule Model N 101 | $621.00 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | $621.00 | |
| THACHER Calculating Instr. 4012 K & E Slide Ru | $599.00 | |
| Ultra Rare & Unique Giant Working Slide Rule | $515.00 | |
| KEUFFEL & ESSER THATCHER SLIDE RULE CALCULATOR | $499.00 | |
| STEVENSON Maker Inland Revenue Slide Rule Set | $325.00 | |
| KEUFFEL & ESSER SLIDE RULE N-4096 LARGE! EXCEL | $280.00 | |
| Slide Rule Ruler Ivory Engineering Carpentry S | $261.88 | |
| Unusual Slide Rule by Davis of Derby | $255.00 | |
| K&E Associated Spring Design Slide Rule slider | $252.49 | |
| K&E Keuffel Decilon 68 1100 Slide Rule New In | $230.27 | |
| Rare Mannheim Boxwood Slide Rule w/ Chisel Cur | $227.51 | |
| TRANSIT DRAFTING NR EVERYTHING THEY EVER MADE | $215.50 | |
| K&E Deci Lon 5 Pocket Rule w Case Slide Rule N | $212.50 | |
| **Pickett 4 foot teaching slide rule 1010ES NI | $207.50 | |
| K&E DUPLEX DECITRIG SLIDE RULE 1966 NIB KEUFFE | $203.50 | |
| Lot of 15 different slide rules | $202.50 | |
| ECKEL INC. Sliderule Complete - Functional - L | $202.50 | |
| K & E Deci-Lon 10 slide rule with original box | $201.50 | |
Items with most bids | ||
| PICKETT 4 FOOT TEACHING SLIDE RULE MODEL N 101 | 31 | |
| THACHER Calculating Instr. 4012 K & E Slide Ru | 29 | |
| Rare Mannheim Boxwood Slide Rule w/ Chisel Cur | 27 | |
| 4Vintage Pickett Slide Rules Rule NOS + 1 by S | 26 | |
| "P.I.C. 23"" Slide Rule" | 26 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 25 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 25 | |
| RUGGED NAVIGATOR COMES IN WITH GIFT BOX AND WA | 25 | |
| Atlas 8.25 Inch Circular Slide Rule | 25 | |
| Big 7' Pickett Teaching Slide Rule Model N 101 | 24 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 24 | |
| Keuffel & Esser Thatcher Slide Rule Calculator | 24 | |
| "VINTAGE K & E POLYPHASE SLIDE RULE, CASE, MAN | 24 | |
| Vintage K & E Log Log Duplex Decitric Slide Ru | 24 | |
| Rare Victorian Sikes Hydrometer with 2 Slide R | 23 | |
| SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH | 23 | |
| UNIVERSAL CIRCLE SLIDE RULE DESKTOP PENCIL HOL | 23 | |
| Large Atlas Binary Circular Slide Rule w Case | 22 | |
| 4 Foot Instructor Slide Rule PICKETT N-1010-ES | 22 | |
| Vin 1947 Pickett Metal Slide Rule N4 Box Manua | 22 | |
Items with at least one bid | ||
| Average price | $32.70 | |
| Median price | $15.50 | |
| Upper quartile price | $40.00 | |
| Upper decile price | $81.00 | |
Items with no bid | ||
| Average price | $21.43 | |
Prices analysis by day of week | ||
| Day | Average | Median |
| Sun | $32.71 | $15.50 |
| Mon | $32.16 | $14.99 |
| Tue | $31.46 | $16.01 |
| Wed | $32.13 | $17.00 |
| Thu | $32.65 | $17.50 |
| Fri | $40.14 | $20.50 |
| Sat | $29.35 | $13.50 |
Price analysis by day of month | ||
| Day | Average | Median |
| 1 | $26.31 | $13.09 |
| 2 | $37.00 | $19.99 |
| 3 | $31.51 | $18.00 |
| 4 | $48.69 | $22.50 |
| 5 | $27.52 | $13.40 |
| 6 | $28.73 | $16.50 |
| 7 | $26.00 | $15.00 |
| 8 | $28.85 | $19.99 |
| 9 | $26.93 | $13.28 |
| 10 | $23.44 | $12.38 |
| 11 | $30.64 | $25.35 |
| 12 | $27.75 | $16.77 |
| 13 | $25.49 | $12.50 |
| 14 | $40.24 | $15.00 |
| 15 | $27.59 | $16.50 |
| 16 | $26.25 | $20.50 |
| 17 | $37.71 | $15.50 |
| 18 | $43.83 | $21.03 |
| 19 | $35.55 | $9.99 |
| 20 | $43.60 | $15.59 |
| 21 | $27.46 | $11.50 |
| 22 | $46.14 | $35.00 |
| 23 | $37.98 | $20.50 |
| 24 | $35.41 | $19.52 |
| 25 | $36.67 | $15.95 |
| 26 | $24.75 | $14.99 |
| 27 | $34.01 | $20.01 |
| 28 | $34.57 | $22.16 |
Number of sales by maker | ||
| Pickett | 478 | |
| Keuffel and Esser | 351 | |
| Post | 121 | |
| Dietzgen | 75 | |
| Sterling | 61 | |
| Faber Castell | 42 | |
| Lawrence | 39 | |
| Concise | 37 | |
| Sun Hemmi | 35 | |
| Aristo | 23 | |
| Texas Instruments | 21 | |
| Nestler | 9 | |
| AcuMath | 9 | |
| Lafayette | 5 | |
| Otis King | 3 | |
| Fullerton | 1 | |
| Fuller | 0 | |
| Thornton | 0 | |
| Other | 1057 | |