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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Universal Trignometric Combination
G.R. Flynn
"Lowell, Mass, U.S.A."
Celluoid
p 1922
diam 13.5 cm
Trignometric
Notes:
"Single side, double disk with five slide rule scales on the bottom half and trignometric scales on the top half, gold lettered leather case, has slots and cutouts showing scales and data."
Image 1
Image 2
Image 3
