F.77 Data Sheet MJS-p-0301

Faber-Castell, 378, 1913-1914

Serial Number or Date Stamp:

Country: GER Primary construction material: wd Case included?: box

General Description: Specialty linear electro slide rule

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

Front Scales: cm /| LL2 A [ B C ] D LL3 || in

Back Scales: [ S L T ]

Notes: Electro rule; nice condition; Made in Germany; no date marks; DRP No. 206428; Dynamo / Eff and V scales in well; W gauge on C; serif M on A/B

References: http://www.andtheugly.com/slides/faber/378/378.html#378_1;see Holland, Peter: Slide Rules AW Faber-Castell, updated edition 8.1,February 2022, 122 pages

Date Acquired: 05/06/2023