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1936 - stroboscopic methods of measuring fan speed and observing other phenomena on the fan assembly

VELOCITY AND VOLUME

CD 2478104 E&MP17.003

Electric Fans

May 6, 1936

Stroboscopic methods of measuring fan speed and observing other phenomena on the fan assembly.  

others at 12 - Electric Appliances & Apparatus


Original Caption by Science Service
©General Electric



National Museum of American History

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