Mark's Slide Rules

Aristo - Charvoz Roos - Concise - Dietzgen - Gilson - Jason - K+E - Lafayette - Pickett - Pickett 500s - Post - Sans & Streiffe - Sun-Hemmi - magnifiers - virtual rules

(Click on images for details)
Aristo / Charvoz
0970 MultiLog

1969
slide rule
slide rule
Charvoz Roos
No. SR-111

Trig-O-Log
slide rule
slide rule
Concise
No. 28

Otis Engineering
Corporation
slide ruleslide rule
Concise
No. 28N

Vickers Hydraulics
slide ruleslide rule
Eugene Dietzgen Co.
Microglide N1725

1959-70
slide rule
Frederic Post
1447
(Sun-Hemmi)

February 1956
slide rule
Frederic Post
Versalog 1460
(Sun-Hemmi)

March 1957
slide rule
slide rule
Gilson Binary
slide rule
(80% relative image size)
Gilson Midget
slide rule
Jason
No. 802

1965
slide rule
slide rule
Jason
No. 803

1965
slide rule
slide rule
Keuffel & Esser
4055

1935
slide rule
Keuffel & Esser
4080-3

1944
slide rule
Keuffel & Esser
4081-5

ca. 1955
slide rule
(50% relative image size)
Keuffel & Esser
4083-3

1946-7
slide rule
slide rule
slide rule
Keuffel & Esser
4092-3

1935
slide rule
slide rule
Keuffel & Esser
4093-3

1932
slide rule
slide rule
Keuffel & Esser
N9081-3 "Doric"

1948-52
slide rule
slide rule
KidsRule
Kidding Around

2008
slide rule
Lafayette
F-428

1960
slide rule
slide rule
Pickett & Eckel
Model 2

1946?
slide rule
slide rule
Pickett & Eckel
Model N3-T

1960-62
slide rule
slide rule
Pickett & Eckel
Model N4-ES

1964+
slide rule
slide rule
Pickett & Eckel
Model 300

1949-52?
slide rule
slide rule
Pickett & Eckel
Model 500
Variations

(More than a dozen,
not counting colors!)
slide rule
slide rule
slide rule
Pickett & Eckel
Model N515-T

1966+
slide rule
slide rule
Pickett & Eckel
Model N535-ES

1970+
slide rule
slide rule
Pickett & Eckel
Model 600

1966+
slide rule
slide rule
Pickett & Eckel
Model 800-T

1958
slide rule
slide rule
Pickett & Eckel
Model 803-ES

1958
slide rule
slide rule
Pickett & Eckel
Model 1010-ES

1958
slide rule
slide rule
Sans & Streiffe
No. 311

1962
slide rule
slide rule
Sun-Hemmi
No. 153

1946-50
slide rule
slide rule