Archive
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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Gilson Midget Type VI Version II
Gilson
USA
Celluloid
"c 1936, c 1931"
Dia = 10.8 cm
"Multiplication, division, trig"
Notes:
Image 1
Image 2
