FREE MOVIE · LIBRARY OF CONGRESS

Testing a rotary, Westinghouse works

A small group of men turn on what appears to be a generator. As the rotary spins, the men make adjustments to the machine and check its operations.

Public domain — the Library of Congress knows of no copyright restrictions for this film. Source: Library of Congress, National Screening Room · archive record. Video streams straight from the archive; PatchTV does not host or relay it.