F.335 Data Sheet MJS-p-0143

back to Collection Data Sheets

Richardson, Pantocrat 812, c.1912

Serial Number or Date Stamp:

Country: USA

Primary construction material: ss

Case included?: yes

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: S A [ B C ] D T L

Back Scales:

Notes: Richardson Rule Works; nice condition though slight warp; SR Simplified c. 1922

References: https://www.sliderulemuseum.com/Richardson.htm; JOS V28.1 p11

Date Acquired: 08/01/2020