Gravity.
By: [Prepared with the co-operation of Science Service.
Contributors: Science Service.
Series: Science program
Publisher: Doubleday
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 64
Subjects: Gravity -- Juvenile literature.; Gravity.
Description: Describes the theories, experiments, and instruments that have increased and refined scientific knowledge about gravity from the time of Aristotle to the Space Age.