Bathythermograph observations United States. Hydrographic Office. contributor text book Washington, D.C Published by the U.S. Navy Hydrographic Office under the authority of the Secretary of the Navy 1952 1952
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ENG How a BT works -- Making a lowering -- Processing BT slides -- Reporting procedure. Bathythermograph Ocean temperature GC177 .B3 1952 H.O. pub, no. 606-c Hydrographic Office observers manual https://www.biodiversitylibrary.org/bibliography/39082 26737292 10.5962/bhl.title.39082 CUS