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Filmed at the Remington-UMC factory in Bridgeport, CT, in May 1918, workers are seen in various stages of manufacturing, assembly, and test firing the M1917 Browning Heavy Machine Gun.

 

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Filmed at the Remington-UMC factory in Bridgeport, CT, in May 1918, workers are seen in various stages of manufacturing, assembly, and test firing the M1917 Browning Heavy Machine Gun.

Interesting video but what exactly are the specific BMG parts those several women are filing away on? Parts uniformity for interchangeability between all guns was the goal so hand fitting of parts was actually not desired, encouraged or needed. If a part was not correctly machined and did not fit, the part was tossed, the machining and tooling specs were checked and altered if needed and a new part machined that finish fit by jig inspection and test fit.
Neither of the parts on which the women are filing appear to be remotely applicable to a BMG WC. Not to mention that their aggressive filing is pretty careless for careful fitting. Rather, IMO they are from some casting or forging production area of that or some other plant and they are filing flashing, etc. Doesn't look right to me.
Dolf's extensive archival information in his BMG volume I on the development of the manufacturing techniques of Colt, Westinghouse and Remington for the 1917s is a fascinating read on how difficult it was for the engineers to set up the production facilities of these companies to reliably machine high volume, uniform, durable parts. Well worth the read. From a guy who does a whole lot of filing to fabricate MG parts. LOL! FWIW
 
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