F.78 Data Sheet MJS-p-0404

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Faber, pre-350, 1892-1899

Serial Number or Date Stamp:

Country: GER

Primary construction material: wd

Case included?: yes

General Description: Basic linear Mannheim slide rule

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

Front Scales: in /| A [ B C ] D || cm < cm >

Back Scales: [ S L T ]

Notes: Early Faber, pre-model 350

References: see Holland, Peter: Slide Rules AW Faber-Castell, updated edition 8.1,February 2022; https://sliderulemuseum.com/Papers/Catlow_%20Dating_Pre-1920_Faber-Castell_SlideRules.pdf

Date Acquired: 12/15/2025