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Details and Image



Item#TypeModelType No.Version No.MakerCountryMaterialScale LengthDateCondition
LAW021Linear
10-I
Model Builder's Slide Rule
LawrenceUSABoxwood 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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