Film A copy of the original dispute. (1975)
Part 1
0:09:40
HD
A copy of the original dispute (1975)
Documentary №40059,
1 part, duration: 0:09:39
Annotation:
The film covers an extremely important issue - generating raw materials for making highly clear quartz glass out of granular quartz to replace crystal.
Reel №1
Crystal of rock crystal.
Laboratory.
Crystal lattice of crystal.
Quartz rock.
Excavator in the quarry.
Quartz grinding.
Crushed quartz is passed through a magnetic field.
Laboratory experiments.
Quartz grains under a microscope.
Spectrogram.
Quartz cleaning.
Quartz glass.
Quartz glass products.
Key words
glass
Locations: Sverdlovsk [876] Leningrad [848]