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C. A. R. L. Ver Genius’s printer’s quoin

C.A.R.L. Ver Genius is remembered best, in some quarters, for his patented printer’s quoin. The patent is:

Printers Quoin,” US patent 298,639, granted May 13, 1884, to C.A.R.L. Ver Genius of Galesberg, Illinois, USA.

Here’s a highlight from the patent:



BONUS: A modern, spirited discussion about quoins

BONUS (unrelated): Wolfgang Genius‘s mobile crushing system

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