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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
90108
Aristo
Germany
Plastic
est 1950-1960's
5.6 cm x 26 cm
Industrial
Notes:
1) Rule for calculating control valves 2) Has more scales on the reverse side of the slide 3) Has formulas on the reverse side.
Image 1
Image 2
Image 3
