Motion Pictures
The following films are produced by Educational Services, Inc., and are available from Modern Learning Aids, A Division of Modern Talking Picture Service, Inc., 3 East 54th St., New York 22, New York.
Energy and Work, 0311, 29 minutes, $150.
Mechanical Energy and Thermal Energy, 0312, 27 minutes, $120.
Conservation of Energy, 0313, 27 minutes, $150.
Photo-Electric Effect, 0417, 28 minutes, $220.