F.82 Data Sheet MJS-p-0042

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Faber-Castell, 67/54R, 1953-1956

Serial Number or Date Stamp:

Country: GER

Primary construction material: wd

Case included?: yes

General Description: Advanced linear Darmstadt log-log slide rule

Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 5 in.

Front Scales: in /| L K A [ B CI C ] D P S T

Back Scales: [ LL1 LL2 LL3 ]

Notes: Addiator; Hatfield Electric Co. on case

References: https://fabercastell.reglasdecalculo.com/67_54r/67_54r.html; JOSvol8no1

Date Acquired: 04/08/2018