F.139 Data Sheet MJS-p-0235

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J.B. Carroll, Associated Spring M110, 1952

Serial Number or Date Stamp:

Country: USA

Primary construction material: pl

Case included?: no

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: PorM [ S KT D ] d

Back Scales: P/f [ N DT D ] d

Notes: early version, made for Associated Spring; no cursor

References: https://www.sliderulemuseum.com/Manuals/M110_AssociatedSpringSlideRuleInstructions_1952.pdf

Date Acquired: 12/31/2021