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Does anyone remember how to make the old hectograph for reproducing written copy? Answered

Used back in the late forties, early fifties to reproduce classroom hand outs.

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Ricardo Obsolete (author)2015-01-06

I was at a workshop at the U of I library where they did a demo:


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orksecurity (author)2009-03-22

Hectographs used an ink sheet and a cover sheet. Writing or typing on the cover transferred ink to its back. The cover sheet was then mounted in a machine which applied a controlled amount of solvent to it and pressed it against pages, transferring a (much smaller) amount of ink to those pages. If you were lucky, you could get about 50 rather faded-looking copies out of one original. Poor man's offset printing. If you used several different ink sheets, you could pick up multiple colors of ink and print a multicolored copy in one pass. Note that this is different from mimeograph, where typing/writing pushes a gel aside to from a stencil, and ink is pressed through that stencil to print onto the pages. Mimeograph could produce darker copies, and many more of them before you had to create a new master. That's more like a silkscreening process.

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