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Item#TypeModelType No.Version No.MakerCountryMaterialScale LengthDateCondition
GIL016Circular
Atlas
II
I
GilsonUSAPrinted Scales on Enamel Coated Aluminum Disc
"468"
c.1931
C5

Notes: "30 coil Atlas scale on front side, reverse side has three groups of trig scales: Degrees - 0 - 30, Degrees 30 - 60, and Degrees 60 - 90 (same as on Binary model). Celluloid cursors front and back."

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