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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Layman
Lithocalculator Co.
U.S.A.
Metal
est. 1955
Dia. = 21.5 cm
General Purpose
Notes:
1) Standard slide rule calculations including trig. scales on the reverse 2) Designed by Eckel after he left Pickett Inc.
Image 1
Image 2
Image 3
Image 4
Image 5
