Invisible Forces; Science in the Creamery

Complete catalog record
Movie #1 Invisible Forces: Capillary Action, Surface Tension, Cohesion. Scientific demonstration of these forces; very clear images of these processes; all silent with inter-title cards.
Movie #2 Science in the Creamery: Start to finish explanation of the science of testing and processing milk for consumption; several laboratory views; silent: all text on inter-title cards.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, catalog record