Contributions to terrestrial magnetism;
the variation of the compass, from observations made in the United States naval service during the period from 1881 to 1894.
|Corporate Author:||United States.|
|Related Names:||Thomas, Chauncey.|
Washington, Govt. print. off., 1894.
A revision and extension of Naval professional paper no. 19, published by the Bureau of navigation in 1885.
Compiled by Lieut. Chauncey Thomas.
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