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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk / Plate
Gilson Atlas Type I Version III
Gilson
USA
Aluminum
p 1-17-1922
29 cm x 29 cm
Multiplication and division
Notes:
"An original ""Square Atlas"" with rounded corners, single sided, spiral scale"
Image 1
Image 2
