FABRICATION OF COPPER Part 4

Description

Reel 1, copper bars are made into wire by rolling and by pulling through dies. Shows how very fine wire is made and how enamel, cotton, and paper insulations are applied. Reel 2, wire is insulated and protected by covering with various materials (asphalt, pitch, rubber, bronze, steel, and paper). Reel 3, copper is used to make pipe, tubing, and alloys. Includes views of tests of copper products and scenes of laboratory research.

Collection

Records of the U.S. Bureau of Mines

Series

Public Information Films and Video Recordings