Re: Photo: SHPX Tank Car 20504 & Friends


Tony Thompson
 

Bob Chaparro wrote:

Photo: SHPX Tank Car 20504 & Friends
Photo from the Industrial History Blog:
SHPX 20504 has a longitudinal rivet seam along the top of the tank. What is the technical term for this type of construction?

Three-course construction, if I understand your question. There are two top sheets and a bottom sheet, thus three rivet courses.

Tony Thompson



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