Animal Secrets: Primates (1966)
National Broadcasting Company, Graphic Curriculum, inc., New York
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
Traces the rise of the primates. Examines the anatomical changes, the beginnings of sociality and speech, the more complex brain, the semi - erect posture and other human - like characteristics.
Describes the early crystal set, and the invention of the valve and its development up to recent times. Explains how the germanium diode and the transistor function, and includes details concerning the crystal lattice, "p" and "n" type germanium, and hole conduction. Discusses some of the present applications of the transistor and its advantages over the thermionic v
- Archive
- Internet Archive, in Educational films
- Licence or status
- The Internet Archive states none for this item.
- Credit
- National Broadcasting Company, Graphic Curriculum, inc., New York
- Language
- Zxx
- 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