F.183 Data Sheet MJS-p-0192

K&E, 4100, 1915-1922

Serial Number or Date Stamp:

Country: USA Primary construction material: wd Case included?: yes

General Description: Specialty linear stadia slide rule

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

Front Scales: R [ H V ] A

Back Scales: [ B ]

Notes: Stadia rule, early model, for use in surveying; instructions on back; all-glass cursor; prod marks 268 on end

References: https://www.mccoys-kecatalogs.com/KEModels/ke4100family.htm

Date Acquired: 05/20/2021