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Details and Image
Item#
Type
Model
Type No.
Version No.
Maker
Country
Material
Scale Length
Date
Condition
GIL018
Circular
Midget
I
I
Gilson
USA
Varnished Paper Scales on Plywood Disc
"10"
c.1915
C5
Notes:
"First version of Midget slide rule. Scales printed on paper which is glued to a plywood disc. Metal cursors front side only. Gilson location in Niles, Michigan."
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Condition Code
to obtain more details.
