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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
"Gilson Atlas, Type II"
Gilson
USA
Aluminum
c 1931
1188 cm
"Multiplication, division, trig"
Notes:
"Also called Atlas, Dia = 21.1 cm, trig scales on the reverse"
Image 1
Image 2
