obscure USRA design hopper

Eric Neubauer <eaneubauer@...>

Anyone ever come across DSFX 400-439? These are apparently USRA design hoppers acquired circa 1921 by Diamond State Fibre. They are apparently built by Pressed Steel Car and had some connection with PRR, perhaps going to them in the late 1920s. DSF made vulcanized fiber out of cellulose.
Eric N.

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