Slide Rules HOME page PRICES < SITE MAP >

Detailed analysis from 01-May-2007 to 31-May-2007

Number of bidded items1979
Number of unbidded items624
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 Pilot29
C. Conrad Air Commander Chrono Diamond Gold Sl28
Double Slide Rule: Hudson's Horse Power Comput27
SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH 27
VINTAGE POST VERSALOG HEMMI JAPAN SLIDE RULE B27
SEIKO Pilot Slide Rule Navigator SplitSec Chro27
SEIKO Pilot Slide Rule Navigator SplitSec Chro27
SEIKO CRITERIA CHRONOGRAPH PILOT SLIDERULE WAT27
Faber Castell 62/83N & 2/83N Slide Rules! Dyna26
K&E Cox Duplex Slide Rule Pat.1891 26
Large Pickett Demonstration Slide Rule 25
SEIKO stunning JetBlack pilot sliderule Chrono25
SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH 25
Constantin Durmont Navigator 8 Diamonds Slide-25
vintage dietzgen surveying tripod and slide ru24
SEIKO ULTIMATE PILOT SLIDE RULE CHRONO100M WR 24
Constantin Durmont Navigator 8 Diamonds Slide-24
NEW SEIKO PRO Flight Slide Ruler Chrono 100M M24
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

DayAverageMedian
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

DayAverageMedian
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 Esser423
Pickett395
Post144
Faber Castell106
Dietzgen89
Sun Hemmi53
Sterling45
Aristo41
Lawrence32
Nestler30
Texas Instruments17
AcuMath16
Concise11
Thornton4
Otis King1
Fullerton1
Fuller0
Lafayette0
Other1195