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Sonar pinger schematic - 1980

Major collection: Science & Technology
Named collection: Harold E. Edgerton Collection
Object type: color slide
Maker: Edgerton, Harold Eugene
Place made: United States
Date made: 1980-12
Materials: 35mm film; cardboard
Measurements: 2" x 2"

Hand-drawn schematic illustrating how a sonar pinger works to locate a camera above the sea floor; signed and dated by Harold E. Edgerton ov. 1980. (CC)


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thumbnail Edgerton, Harold Eugene
1903-1990; electrical engineer; professor