Motion pictures and filmstrips, January-June 1971

by Library of Congress. Copyright Office

THE CRANK.

WINDOWS.

EXPERIMENTING (Filmstrip) McGraw-Hill Films/University Films. 6 filmstrips, color, 35 mm. (Science processes series, set 4) With Filmstrip guide.

Contents: Inferring. 37 fr.--Predicting. 40 fr.--Designing experiments. 40 fr.--Keeping records. 42 fr.--Using controls. 40 fr.--Repeating experiments. 45 fr.

Appl. author: McGraw-Hill Book Co.

© McGraw-Hill, Inc.; 26Feb71 (in notice: 1970); JP13310-13315.

EXPERIMENTING. McGraw-Hill Films & Hanna-Barbera Productions. 14 min., sd., color, 16 mm. Appl. author: McGraw-Hill Book Co. © McGraw-Hill, Inc. & Hanna-Barbera Productions, Inc.; 9Nov70 (in notice: 1969); MP21688.

EX-SECRETARY, See

GREEN ACRES.

THE EXTERNAL AND MIDDLE EAR. Teaching Films. 10 min., sd., color, 16 mm. (Guides to dissection) © Teaching Films, Inc.; 20Sep71; MU8366.