So, my great-grandfather invented the “Rexograph”. First was a big one in 1936, used a lot in WW2 by the US Army, and a smaller one in 1959, commonly used in schools and offices for a while. A few companies made similars Apparently, “the one with the purple” was Rexograph. https://t.co/ahYsohxTZI




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August 13, 2018 at 03:11PM

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