Artifact Details

Title

Early Calculating Devices -Patent Application - "Operating Means for Calculations"

Catalog Number

102704300

Type

Still Image

Dimensions

overall: 5 in x 4 in

Description

B&W image of a Patent Application for "Operating Menas for Calculations" Dec 22, 1925 1,566,650
G.C. Chase Filed Nov. 21, 1922 Has three figures showing how operations are carried out.

Category

Identification photograph

Lot Number

X7413.2015