F.265 Data Sheet MJS-p-0371

back to Collection Data Sheets

Parisian Novelty, Concrete Calculator, c.1950

Serial Number or Date Stamp:

Country: USA

Primary construction material: pl

Case included?: no

General Description: Specialty linear slide rule

Length of 1 decade = 3 in, and overall scale length = 6 in. The largest physical dimension is 7 in.

Front Scales: Thickness [ Height/Width Length ] cuYards

Back Scales:

Notes: Concrete pour calculation; Patent 2073421; Calaveras Cement Co., San Fran., advertisement

References: https://sliderulemuseum.com/MiscUSA.shtml#ParisianNovelty; https://www.uniondemocrat.com/news/article_f6097d94-a17c-11ec-85cd-af6af3e6a615.html

Date Acquired: 12/16/2024