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Find number abc

If bc6ba - 16117 = c2a7c find number abc. Multiple solutions may exist.

Correct answers: 45

The first user who solved this task is Eugenio G. F. de Kereki.

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Zoetrope

In 1867, the Zoetrope was patented by William E. Lincoln of Providence, R.I. (No. 64,117). The device was the first animated picture machine. It provided an animation sequence of pictures lining the inside wall of a shallow cylinder, with vertical slits between the images. By spinning the cylinder and looking through the slits, a repeating loop of a moving image could be viewed.

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