Synopsis
A tour of the Sangamo Electric Co. plant in Springfield, Illinois. Reels 1 and 2 show how the H-type alternating-current meter is made and used; reel 3 shows the making of D-5 and N direct-current meters.
Synopsis, reviewed
Details
- Running time
- 28 minutes
- Language
- English
Subjects on the Internet Archive
- Electronics
- Industrial
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