Motion pictures and filmstrips, January-June 1972

by Library of Congress. Copyright Office

© Thorne Films, Inc.; 30Sep71; MP22187.

ELECTRICITY PRODUCED BY FRICTION. ADM-MPS. Released by Thorne Films. 3 min., si., color, Super 8 mm. Loop film. © Thorne Films, Inc.; 30Sep71; MP22167.

ELECTRICITY PRODUCED BY MAGNETISM. Pt. 2. ADM-MPS. Released by Thorne Films. 3 min., si., color, Super 8 mm. Loop film.

Credits: Producers, Alexander Jackson & Kenneth Osborne.

© Thorne Films, Inc.; 30Sep71; MP22185.

ELECTRICITY PRODUCED BY MAGNETISM. Pt. 2. ADM-MPS. Released by Thorne Films. 4 min., si., color, Super 8 mm. Loop film.

Credits: Producers, Alexander Jackson & Kenneth Osborne.

© Thorne Films, Inc.; 30Sep71; MP22186.

ELECTRICITY PRODUCED BY PRESSURE, HEAT AND LIGHT. ADM-MPS. Released by Thorne Films. 3 min., si., color, Super 8 mm. Loop film. © Thorne Films, Inc.; 30Sep71; MP22168.

ELECTROMAGNETISM. ADM-MPS. Released by Thorne Films. 4 min., si., color, Super 8 mm. Loop film. © Thorne Films, Inc.; 30Sep71; MP22169.