F.5 Data Sheet MJS-p-0274

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Acu-Rule, Connecticut Spring, 1955

Serial Number or Date Stamp:

Country: USA

Primary construction material: pl

Case included?: yes

General Description: Specialty linear spring slide rule

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

Front Scales: d [ D N ] P/f

Back Scales: D [ d P ] S

Notes: Spring design calculations rule,version 3, made for Connecticut Spring Corp.

References: JOS v15.1p28

Date Acquired: 10/12/2022