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Diving into Darkness: A Submersible Explores the Sea
Rebecca L. Johnson
Library Binding (Lerner Pub Group, June 1, 1989)Details the development of underwater exploratory craft, describing how these remarkable machines work and the equipment they carry, and discussing their role in science
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Diving Into Darkness: a Submersible Explores the Sea
Rebecca L. Johnson
Hardcover (Lerner Pub Group, March 15, 1989)None