3.1.22 Conn-Selmer 5578.JPG
- 1 of 1
March 1, 2022; (names) Brass tubing is placed over a chrome coated, hardened tool steel master mandrel and pulled through a carbide draw ring, resulting a work hardened tubes to extremely precise dimensional tolerances at Conn-Selmer in Elkhart, IN. (Photo by Barbara Johnston/University of Notre Dame)
Copyright University of Notre Dame
Copy link below when linking to original image:
https://photos.nd.edu/image/I00000kXeuQ18ITg
Keywords:
