Railway Prototype Cyclopedia, Vol 16 at page 62 reprints an ad from General American Transportation Corp and in the last paragraph it claims leadership in “the new insulated hopper cars from bulk sugar transportation”. The ad is undated but likely run in early 1935. Is it safe to assume that the ad referenced as experimental car and would it have been a covered insulated hopper?

gary laakso
south of Mike Brock




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