CARE AND USE OF A PERMISSIBLE FLAME SAFETY LAMP, THE

Duration: 28 min

Year Published: 1967

Creator: Bureau of Mines (Department of the Interior)

Color: Color

Sound: Optical sound

Description: Portrays a brief history and early use of the flame safety lamp, a device used for detecting the presence of methane gas and oxygen deficiency in underground mines, in addition, explains the construction of the lamp and how it works.

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No related films.

Record added: 2026-07-01 03:45:36