Blundell 601 Rietz (5-inch) slide rule

Made:
1965-1970 in England

Blundell 601 Rietz (5-inch) slide rule with leather sleeve

Details

Category:
Mathematics
Object Number:
1998-425
Materials:
plastic, leather and complete
Measurements:
overall: 10 x 160 x 35 mm
type:
slide rule
credit:
Mr J.C. Michie