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The Cathode Ray Oscillograph | Ridomovies - Reviews, Trailers & Showtimes

Poster for The Cathode Ray Oscillograph

The Cathode Ray Oscillograph

HD

0

25 min

The history, development and uses of the oscillograph.

Country:

GB

Genre:

Documentary

Released:

1934-01-01

Languages:

English

Companies:

Gaumont-British Instructional