Old School Woodworking - making fan blades in 1941

    This is a documentary no the manufacturing of 45 fan blades for the N.A.C.A. (forerunner to NASA) wind tunnels, circa 1941.
    A lot of "the skill is in the operator, not the machine". Fifteen minutes 'tack' time from the application of the first glue, till a six foot stack of wood all goes in the press.     Repeat for ten more blade.

https://www.youtube.com/watch?v=v1DCjR5mjnA

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pyotr filipivich
TV NEWS: Yesterday's newspaper read to the illiterate.
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