F.141 Data Sheet MJS-p-0416

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Hemmi, 32, 1931-33

Serial Number or Date Stamp:

Country: JPN

Primary construction material: bb

Case included?: yes

General Description: Basic linear Mannheim slide rule

Length of 1 decade = 4 in, and overall scale length = 4 in. The largest physical dimension is 4 in.

Front Scales: A [ B C ] D

Back Scales: [ S L T ]

Notes: Post 1441; pre-WWII; no CI scale; ‘SUN’ embossed on back plate; cursor and case in rough shape; S scale tied to A/B

References: JOS12.1p41

Date Acquired: 04/20/2026