F.224 Data Sheet MJS-p-0434

K&E, 4097, 1933

Serial Number or Date Stamp: 12683

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

General Description: Basic linear polyphase slide rule

Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 5 in.

Front Scales: DF [ CF CI C ] D

Back Scales:

Notes: Ever There 5-in pocket rule, early plastic K&E rule; nice condition

References: https://www.mccoys-kecatalogs.com/KEModels/ke4097family.htm

Date Acquired: 07/06/2026