F.120 Data Sheet MJS-p-0104

Hemmi, 40RK, 1966

Serial Number or Date Stamp: QJ

Country: JPN Primary construction material: bb Case included?: yes

General Description: Basic linear polyphase slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: A [ B CI C ] D K

Back Scales: [ S L T ]

Notes: Post 1447; plastic case; instructions

References: http://www.sphere.bc.ca/test/post.html; http://www.spere.bc.ca/test/post-list3.html

Date Acquired: 08/01/2020