Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
Hemmi / Model 1 Sold by Tamaya
Hemmi
Japan
Celluloid over bamboo
1941
25 cm
General Calculations

Notes: "Tamaya sold Hemmi slide rules from 1916 to 1927. This Hemmi Model 1 Mannheim slide rule is branded both Hemmi and Tamaya. The ruler on the beveled upper edge is in inches and is divided in 1/32 increments. The lower, vertical edge has a ruler divided into centimeters and millimeters. "


Image 1