Slide Rules HOME page PRICES < SITE MAP >

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

Number of bidded items1852
Number of unbidded items464
Total sales$ 78182

Most expensive items

Swiss Made Zeno Watch XXL Slide Rule Automatic$1500.00
Swiss Made Zeno Watch XXL Slide Rule Automatic$1500.00
FAIRCLOUGHS IMPROVED BRASS & BOXWOOD SLIDE RUL$860.00
"Keuffel & Esser Analon 681400 Slide Rule w/ C$685.00
ANTIQUE KEUFFEL & ESSER IVORY SLIDE RULE - PAT$635.85
ANTIQUE KEUFFEL & ESSER IVORY SLIDE RULE - PAT$635.54
Faber Castell TR2 Slide Rule / Led Calculator $599.00
Unusual Supremathic Circular Slide Rule + Noti$550.00
Faber Castell TR2 Slide Rule / Led Calculator $500.00
"KEUFFEL & ESSER CO, NY 10"" SLIDE RULE w/ CAS$455.00
Tommy Bahama Mens Chronograph + Slide Rule Wat$450.00
GERBER GraphAnalogue GA-103 Variable Scale Sli$441.00
EARLY 19TH. C BOXWOOD SLIDE RULE : HOBCRAFT LO$427.22
Loga 15m cylindrical slide rule calculator $365.00
"ULTRA RARE VINTAGE SEIKO, 6138, SLIDERULE CAL$330.00
"Unused Post Versatrig pocket slide rule, 1451$329.00
RARE Engineers' Folding Rule - Dual Brass Gunt$300.00
"Faber-Castell 2/83N Novo Duplex slide rule (N$249.00
"K&E N4135 6"" slide rule" $245.44
ANTQ 1952 GERMAN SLIDE RULE ARISTO 10065 SYSTE$230.22

Items with most bids

CITIZEN Nighthawk Pilot Aviation Slide Rule BJ41
CITIZEN Nighthawk Pilot Aviation Slide Rule BJ39
Constantin DurmontŪ Navigator Slide Rule Pilot37
Rendex Chronograph Big Pilot No 7 with Slide R36
CITIZEN Nighthawk Pilot Aviation Slide Rule BJ36
"RARE Faber Castell 15"" 2/83N Nova Duplex Sli34
SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH 33
SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH 32
SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH28
Constantin DurmontŪ Navigator Slide Rule Pilot27
SEIKO CHRONOGRAPH PILOT AVIATION SLIDERULE WAT27
VINTAGE SLIDE RULER TIE CLASP NEW W/BOX & PAPE27
Constantin DurmontŪ Navigator Slide Rule Pilot26
SEIKO stunning Sky Blue pilot slide rule Chron26
SEIKO PILOT SLIDE RULE SplitSecond CHRONOGRAPH24
SEIKO stunning JetBlack pilot sliderule Chrono24
SEIKO AEROSPACE PILOT SLIDE RULE CHRONO WATCH 24
CITIZEN Nighthawk Pilot Aviation Slide Rule BJ24
GERBER GraphAnalogue GA-103 Variable Scale Sli22
"ULTRA RARE VINTAGE SEIKO, 6138, SLIDERULE CAL22

Items with at least one bid

Average price$42.22
Median price$20.00
Upper quartile price$56.99
Upper decile price$88.00

Items with no bid

Average price$14.29

Prices analysis by day of week

DayAverageMedian
Sun$39.97$20.50
Mon$41.41$20.00
Tue$48.77$24.95
Wed$41.65$20.50
Thu$37.42$17.99
Fri$45.11$20.50
Sat$43.76$18.50

Price analysis by day of month

DayAverageMedian
1$0.00$0.00
2$0.00$0.00
3$0.00$0.00
4$0.00$0.00
5$0.00$0.00
6$37.01$20.00
7$35.16$20.50
8$47.54$22.48
9$43.71$24.45
10$46.59$31.00
11$48.07$24.25
12$43.80$20.50
13$52.00$15.50
14$41.46$21.50
15$57.56$28.00
16$49.74$28.00
17$36.69$19.95
18$27.82$15.50
19$53.69$27.50
20$42.05$20.50
21$38.51$16.27
22$34.46$15.60
23$67.27$23.76
24$42.50$24.19
25$39.54$19.50
26$39.09$20.49
27$42.06$19.99
28$46.41$22.48
29$30.84$15.50
30$34.32$22.29
31$40.91$14.95

Number of sales by maker

Keuffel and Esser347
Pickett336
Post162
Dietzgen75
Faber Castell71
Sterling48
Sun Hemmi40
Aristo34
Lawrence25
Concise20
Nestler16
AcuMath11
Texas Instruments10
Otis King4
Fullerton2
Lafayette2
Fuller1
Thornton0
Other1112