British Thornton P.I.C. No.P271 Student Log-Log (1

Made:
1965-1975 in England
maker:
British Thornton Limited

British Thornton P.I.C. No.P271 Student Log-Log (10-inch) slide rule by British Thornton Limited with plastic case

Details

Category:
Mathematics
Object Number:
1998-434
Materials:
complete and plastic
type:
slide rule
credit:
Mr J.C. Michie