Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Circular and Spiral Slide Rules
SIC / 1610 (Rotolog 400)
Scientific Instrument Co.
USA
Metal/plastic
1962
Ø 12.7 cm
General calculations
Notes:
Models from the ROTO series were possibly the only ones made by the Scientific Instrument Co. Although they could equally have been made by an unknown 3rd party. This model is a marginally simplified version of the 1610-D.
Image 1
Image 2
Image 3
Image 4
Image 5
Image 6
Image 7
Image 8
