Worcester Polytechnic Institute
University Photograph Collection (UA 001)
Illustration of the principle of projection welding. 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.
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. Please contact Archives & Special Collections, Gordon Library, Worcester Polytechnic Institute for information regarding reproduction, distribution in any form, or other commercial uses.
Johnson, Carl G., "Principle of Projection Welding" (2013). WPI Historical Images. Paper 626.
Help describe this image (please provide a link to this page in your email)