Artifact Details

Title

Early Calculating Devices - Ciphering Hand-Organ

Catalog Number

102704301

Type

Still Image

Dimensions

overall: 5 in x 4 in

Description

B&W image of a "Ciphering Hand-Organ by George B. Grant. Labels point out the slide, latch,6 carry teeth, 10 carry levers, etc.
Label bottom - " The Ten Figure machine ten inches square Weight 1o pounds Adds ten columns wide Multiplies five figures by 6 Divides 10 figures by 5."

Category

Identification photograph

Lot Number

X7413.2015