Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
"Felsenthal Logarithmic Calculator, FF-6"
Felsenthal Instruments Co.
USA
Plastic
c. 1951
Dia. = 14.1 cm
General Purpose
Notes:
Possibly an advertising item
Image 1
Image 2
Image 3
