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Emerson 3-Fingered Centrifugal Switch


Jim Kovar

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1 hour ago, Jim Kovar said:

 

The C.S. patent was FILED in 4/11 and ISSUED in 9/12.  What type of Emerson AC desk fans were placed ON the market in 1911?

US1039110-drawings-page-1.png

Edited by Russ Huber
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GE announced in their 1911 fan motor bulletin the dismissal of their Centrifugal Switch start mechanism.

 

GEInduction11-lanczos3.jpg

1911 electrical trade.

Emerson11.png

Edited by Russ Huber
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