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Acronyms that contain the term tinkertoy 

What does tinkertoy mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: tinkertoy.

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What does tinkertoy mean?

Tinkertoy
The Tinkertoy Construction Set is a toy construction set for children. It was created in 1914—one year after the A. C. Gilbert Company's Erector Set—by Charles H. Pajeau and Robert Pettit in Evanston, Illinois. Pajeau, a stonemason, designed the toy after seeing children play with sticks and empty spools of thread. He and Pettit set out to market a toy that would allow and inspire children to use their imaginations. At first, this did not go well, but after a year or two over a million were sold. The cornerstone of the set is a wooden spool roughly two inches in diameter with holes drilled every 45 degrees around the perimeter and one through the center. Unlike the center, the perimeter holes do not go all the way through. With the differing-length sticks, the set was intended to be based on the Pythagorean progressive right triangle. Tinkertoy sticks before 1992 were made with a diameter of 0.25 inch. The earlier sets had natural wood sticks, but changed to colored sticks in the late 1950s. From measurement, the orange sticks are 1.25 inches long; yellow, 2.15; blue, 3.35; red, 5.05; green, 7.40; and, purple, 10.85. Spools are 1.35 inches in diameter with holes of 0.30 inch depth. The ratio of succeeding stick sizes when including adjustments for spool diameter and hole depth work out to be the square root of 2, enabling the construction of 45-45-90 right triangles. The theory is discussed in Pajeau's patent, no. 1113371, of 1914.

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