F.143 Data Sheet MJS-p-0286

K&E, 4056, 1909-1914

Serial Number or Date Stamp:

Country: USA 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

Back Scales: [ S L T ]

Notes: Early version 4056; marks 132 on end; 26 cm long; in/cm on sides; 25 mm metal cursor; Mannheim Slide Rule case; original owner Henry Jones, civil engineer for Bethlehem Steel railroad

References: https://www.mccoys-kecatalogs.com/KEModels/ke4056family.htm

Date Acquired: 12/16/2022