The Adding Machine Pinwheel Calculator 3 artistic is a photograph by Paul Ward which was uploaded on January 8th, 2023.
The Adding Machine Pinwheel Calculator 3 artistic
A pinwheel calculator was a class of mechanical calculator popular in the 19th and 20th century using, for its calculating engine, a set of wheels... more
by Paul Ward
Title
The Adding Machine Pinwheel Calculator 3 artistic
Artist
Paul Ward
Medium
Photograph
Description
A pinwheel calculator was a class of mechanical calculator popular in the 19th and 20th century using, for its calculating engine, a set of wheels that had an adjustable number of teeth. These wheels, also called pinwheels, could be set by using a side lever which could expose anywhere from 0 to 9 teeth, and therefore when coupled to a counter they could, at each rotation, add a number from 0 to 9 to the result. By linking these wheels with carry mechanisms a new kind of calculator engine was invented. Turn the wheels one way and one performs an addition, the other way a subtraction.
Uploaded
January 8th, 2023
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