F.252 Data Sheet MJS-p-0424

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K&E, N4053-3, 1923

Serial Number or Date Stamp: 53028

Country: USA

Primary construction material: wd

Case included?: yes + box

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 CI C ] D K || cm

Back Scales: [ S L T ]

Notes: all-glass cursor; leather case

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

Date Acquired: 05/01/2026