Sand and flame

Duration: 21 min

Year Published: 1944

Creator: 4. U.S. Bureau of Mines in cooperation with Motors Corp. (Chevrolet General Motor Div.)

Format: 16mm

Description: Open with a survey of the development of glass-making and the art of the early glass-blower. Shows manufacture of wide range of glass products, including the automatic bottle-making process; manufacture of fine glass tubing; transformation of glass marbles into glass fibre; production of glass bricks; furnacing, rolling, cutting, grinding and polishing of plate glass; manufacture of shatter-proof plate glass.

Metadata Source:3434 U.S. Government Films