'Sun' slide rule

Made:
1950-1960 in Japan

Hemmi 'Sun' (4-inch) slide rule with leather sleeve

Details

Category:
Mathematics
Object Number:
1998-443
Materials:
plastic, glass, steel, leather and complete
Measurements:
overall: 10 x 125 x 25 cm
type:
slide rule
credit:
Mr J.C. Michie