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Details and Image
Item#
Type
Model
Type No.
Version No.
Maker
Country
Material
Scale Length
Date
Condition
LAW021
Linear
10-I
Model Builder's Slide Rule
Lawrence
USA
Boxwood w/white painted surface and printed scales
"10"
©1947
C5
Notes:
Slide rule for use in scaling down railroads/trains according to various railway gauge sizes to make replica size models.
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Condition Code
to obtain more details.
