A Calculating Machinedetails

[Picture: A Calculating Machine]
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Image title:

A Calculating Machine

Taken from

Various: “The Leisure Hour” (1904)

Status:

Out of copyright (called public domain in the USA), hence royalty-free stock image for all purposes usage credit requested
Please do not redistribute without permission, since running this site is expensive.

Notes:


Showing the numbers (in black marks) struck on the register, and the keys struck to multiply 2253 by 84. The answer is shown on the register.” (p. 775)

This is a hand-operated calculator.


Keywords:

machinery

Dimensions:

130 x 73mm (5.1 x 2.9 inches)

Place shown:

none

Filename:

0775-A-Calculating-Machine-q75-500x286.jpg

Scanner dpi:

2400 dots per inch

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