Siphons.

Copyright

Complete catalog record
Siphons. Thorne Films. 5 Min., Si., Color, Super-8 Cartridge. (Elementary Science Series, No. 183) © Thorne Films, Inc.; 1jun68; Mp18657.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, color, sound, catalog record, copyright