A. W. Faber-Castell 52/80 Mentor (10-inch) slide r

Made:
1960-1970 in Germany
manufacturer:
A W Faber-Castell

A. W. Faber-Castell 52/80 Mentor (10-inch) slide rule with plastic case

Details

Category:
Mathematics
Object Number:
1998-429
Materials:
complete and plastic
type:
slide rule
credit:
Mr J.C. Michie