Re: Photo: Gondolas With Structures For Hoover Dam (Circa 1930-1935)


Jack Mullen
 

As Bruce said, they're idlers. The girders are a bit longer than the cars' I.L.  Note that the gons each have an open drop end facing the adjacent flat. The cars are in groups of three, two gons with open ends facing opposite directions with a flat between, making efficient use of idlers.

Jack Mullen

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