F.74 Data Sheet MJS-p-0388
Faber, 368, 1907
Serial Number or Date Stamp:
| Country: GER | Primary construction material: wd | Case included?: yes |
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: LL3 LL2 /| A [ B C ] D || cm
Back Scales: [ S L T ]
Notes: Version 1 of Faber’s first Electro rule; cursor missing; Made in Germany; pearwood; no date marks, no model number; DRGM 271169 and 247514; bevelled bottom edge; made in Bavaria; sold by Wilkerson & Co., Sunderland, UK, stamped on back; Eff and V scales in well; W gauge on C; serif M on A/B; arrived with 2 unused Pickworth-type data sheets for backside, along with 3-4 unused blank sheets
References: see Holland, Peter: Slide Rules AW Faber-Castell, updated edition 8.1,February 2022,122 pages; also Colin Tombeur and Trevor Catlow, “Early Faber Log-Log Scales”, Slide Rule Gazette, 20 p116 (2020)
Date Acquired: 06/15/2025