British Thornton AD 150 Advanced (10-inch) slide r

Made:
1970-1975 in England
maker:
British Thornton Limited

British Thornton AD 150 Advanced (10-inch) slide rule by British Thornton Limited with plastic case

Details

Category:
Mathematics
Object Number:
1998-436
Materials:
complete and plastic
type:
slide rule
credit:
Mr J.C. Michie