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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Gilson Midget Type III Version I (Gilson SR Co.)
Gilson
USA
Aluminum
"p 1922, c 1919"
Dia = 9.8 cm
"Multiplication, division, trig"
Notes:
"Sturart, Florida, so manufacturered after 1927"
Image 1
Image 2
