Worcester Polytechnic Institute
University Photograph Collection (UA 001)
A close up of the tip of a cutting arm , used to cut metal with heat. 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 Archives & Special Collections.
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Johnson, Carl G., "A diagram showing the tip of a cutting tip for a cutting arm" (2013). WPI Historical Images. Paper 655.
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