Video Parts (6)
This clip is Part 1 of a 6-part film.
ALONG THE FIRING LINE Part 1
Description
Reel 1, sillimanite is mined in the Inyo Mountains of California, pulverized, processed, and made into insulators for spark plugs. Includes views of kinds of transportation using spark plugs. Reel 2, insulators are tested. Other parts are manufactured and assembled. Explains maintainance of spark plugs in automobile engines.
Read moreCollection
Records of the U.S. Bureau of Mines
Series
Public Information Films and Video Recordings
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