Business, government and public policy
Isaacs, Asher, 1902-1963, Slesinger, Reuben E., joint author
EducationIndustrial and advertising
Clips are not offered for this film: no licence or public-domain mark is recorded for it.
Low resolution (640×360): this is the archive's own copy.
Parts
About
Bibliography: p. 439-442
Search Educational Film Journals at Media History Project for references to this film
Summary
Uses animation to explain the causes of ocean tides, showing the effect of centrifugal force and the gravitational attraction of the sun and the moon on the waters. Discusses the uses of the ocean tides and points out that the activities of man must be planned to fit the rhythm of the tides.
- Archive
- Internet Archive, in Educational films
- Licence or status
- The Internet Archive states none for this item.
- Credit
- Isaacs, Asher, 1902-1963, Slesinger, Reuben E., joint author
- Language
- English
- Subtitles
- English
- Who can watch
- The archive gives no rating. Invisible Network shows it to Kids profiles and older, judged from its collection and subjects. How films are placed