1870s louver groover.
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1890s J.A. Vance planer/matcher restored
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Pretty complex machine for close to 150 years ago, fully automatic, operated by flat belts cams gears racks pinions all in simultaneous left and right duplication.
Which gear rack was the videographer connected to?
Horrible vid, middle ten or so seconds were sufficient.
The mechanical aspect would have taken some inventive means to design; and who knows how many prototypes or modifications occurred.
Paused action at right [wrong] moment. When I returned, WTH are those crossed box-end wrenches doing?...Oh, they're extension springs. That made more sense.
...we'll learn more by wandering than searching...
It reminds me of an old American patent for making slotted panels for reed organs and melodeons, though I’ve only seen the results and not the machine itself. Scientific American had a short article about the manufacturer who invented and used it but I can’t find it now.
I think some places continued making them with manually guided machines a long time afterwards.
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