16mm Filmography
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59 frames, synchronized disc, 21 minutes) The Difficult Ones. Parts 1, 2, and 3 U.S. Veterans' Administration

Looking up 59 frames, synchronized disc, 21 minutes) The Difficult Ones. Parts 1, 2, and 3 U.S. Veterans' Administration on Wikipedia…

Filmography in the catalog

Credited on 1 film (1946) — matched by name in the Creator or Credits field.

Year ▲ Title CreatorLengthFormatColorSound
1946 238 U. S. GOV and altitude instruments: airspeed meter; vertical speed indicator; sensitive al meter; power control instruments; manifold pressure gage; tachometer. (SN 1059-a; 59 frames, synchronized disc, 21 minutes) The Difficult Ones. Parts 1, 2, and 3 U.S. Veterans' Administration 59 frames Filmstrip