Unseen World, the, Pt 1 - How Small is Small

Year Published: 1970

Format: 16mm

Sound: sound

Description: Unseen World, the, Pt 1 - How Small is Small Distributed by McGraw-Hill Films; 674 Via De La Valle PO Box 641; Del Mar; CA; 92014DC: MGHT Produced by Amer Broadcasting Co TV; 1330 Avenue Of The Americas; New York; NY ; 10019PC: ABCTV Year published 1970 Grade Level: H C Distributed on media: 1 videocassette (17 min.), 1/2 in.; 1 videocassette (u-matic) (17 min.), 3/4 in.; 1 film reel (17 min.), 16 mm. Color?Color Length: 17 MIN Library of Congress Registration 71-708742 Description: Uses photomicrography to reveal the microscopic world of plant cells and protozoa. Shows the surface of aspirin and human hair as viewed through light-receiving and electronic instruments. Topics: Biology,-Ecology-Marine; Biology,-Microbiology; Basic-Physical-Science-Light-And-Color; Basic-Physical-Science-Space-And-Solar-System

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