Box 1
Container
Contains 1 Result:
Brazilian Quartz Goes to War, n.d.
Item — Box: 1, DVD: 4
Scope and Contents
Shows the mining of quartz and its functions in the manufacture of radio equipment. Follows the process from the extraction of quartz in the Brazilian mines, its transformation and use in the radio communications industry. B/W, English, Brazil
Dates:
n.d.