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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Hydraulic SR / The M.W. Kellogg Co
The Kellogg Company
U.S.A.
Plastic
c 1946
Length 28 cm
Hydraulic Industry
Notes:
Very Heavy Duty well made slide rule with many hydraulic calculations
Image 1
Image 2
