Coppersmithing.

Year Published: 1943

Complete Record: COPPERSMITHING. © R.C.M. Productions, Inc. Appl. author: Arthur Hoerl. 1. Bending Copper Tubing to a Wire Template. © title, descr., & 15 prints, 13Dec43; MU14278. 2. Brazing Flanges with Spelter. © title, descr., & 15 prints, 13Dec43. MU14279. 3. Brazing Flanges with Silver Solder. © title, descr., & 15 prints, 13Dec43; MU15280. 4. Tinning and Solder Wiping. © title, descr., & 16 prints, 26Jun44; MU14968.