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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
None
T.R. Brown
est Great Britain or U.S.A.
Wood
est 1890 to 1910
25 cm
Nautical Power
Notes:
Nautical steam engine proplusion calculations. Handmade slide rule with unusual colors and scales
Image 1
Image 2
Image 3
