Worcester Polytechnic Institute
University Photograph Collection (UA 001)
Two men apply molds for a thermit weld to a grooved rail. From the lecture slides for Iron Carbon System (Steel) of faculty member Carl G. Johnson
Digital image captured from photograph, negative, or slide held in Curation, Preservation, and Archives.
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Johnson, Carl G., "Thermit Rail Welding - Applying molds to rail- Groove Rail" (2013). WPI Historical Images. Paper 639.
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