How do they find it?
By: By George Sullivan.
Publisher: Westminster Press
Published: 1975
Place of publication: Philadelphia
Language: eng
Number of pages: 160
Subjects: Prospecting -- Juvenile literature.; Electronics -- Juvenile literature.; Metal detectors -- Juvenile literature.; Prospecting.; Electronics.; Metal detectors.
Description: Describes the instruments and techniques used in locating such things as metal, enemy submarines, petroleum, tornadoes, and skyjackers.
Notes: Bibliography: p. 153-155.
Includes index.