Slide Rule

2017/002

500 mm adjustable “Sun” slide rule manufactured by J Hemmi, Japan (c.1925)

SKU: 2017/002 Categories: ,

Description

500 mm adjustable “Sun” slide rule manufactured by J Hemmi, Japan (c.1925). It is of laminated bamboo construction with celluloid faced scales. The scale length is 500 mm. Front scales are A, B, C and D. The back has scales S, L, and T read through an oval opening at each end of the stock. Both edges have a 500 mm rule. There are printed tables and conversions are on the back.

Additional information

Acquisition Number

2017/002

Item Type

Short Description

500 mm adjustable "Sun" slide rule

Manufactured by

Date of Manufacture

c. 1925

Sub-items

None

Supporting Items

None

Makers Number

None

Marks

"J. Hemmi, "SUN", Patent No 22129, British Patent 107562, Brevete S.G.D.G., Made in Japan"

Dimensions (mm)

531 x 37 x 10

Donor

Date Donated

February 2017

Materials

Bamboo, plastic and aluminium

Condition

Fair to good. Tables on back are discoloured.

Display Location