Excursions in Science No. 6
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Özet
Laboratory experiments which later are applied to practical use are detailed here. Among the problems attempted and executed are the preparation of delicate springs from fused quartz and the steps in the manufacture of sodium lamps.
Künye
- John Gilmour
- 26 Nisan 1940
- Released
- United States of America
- General Electric
- 10 dk
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