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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Ross Student Rapid Computer
Louis Ross
"San Francisco, U.S.A."
Celluoid
1918 to 1927
Dia. = 9 cm
General Calculations
Notes:
"1) Student version of the Ross Rapid Computer made of celluoid with leather case 2) See Vol 25, No 1 pg28-29 Journal of the Oughtred Society for a details about this slide rule."
Image 1
Image 2
Image 3
