Although, strangely enough, not under the administration of the Navy Department, the inauguration of the Coast Survey in 1807, and its thorough prosecution since 1844, when the employment of officers of the army and navy in the work was authorized; the recognition of the Naval Observatory at Washington city, and authorizing the making astronomical and meteorological observations, in the Act of August 3, 1848; the assignment of a competent officer of the navy to the preparation of the Nautical Almanac; the institution of the bureau of Hydrography and Ordnance, in 1842; the employment of three suitable vessels of the navy to test and perfect the plans of Lieutenant Maury in his investigations of the winds and the currents of the ocean, by Act of March 3, 1849; the concentration of the teaching staff of the corps of midshipmen preparatory for their examination at the Naval Asylum at Philadelphia, and their removal to separate accommodations at the old military station of Fort Severn, in Annapolis, by order of Secretary Bancroft in 1845, and the formal recognition of the institution as the Naval School, in the appropriations for the navy in 1847—these and other acts of Congress, and the action of the Department under them, are important data in the history of the Navy and Naval Education—especially of their scientific character.
[GROWTH IN SHIPS, OFFICERS AND MEN.]
The following Tables, prepared by Capt. George H. Preble, U.S.N., which are copied from the Army and Navy Journal for Nov. and Dec., 1871, exhibit in a condensed view the expansion of the military and merchant marine of the United States, from 1816 to 1871 inclusive, as well as its condition in each year from 1816.
Table I.—Naval Vessels, Tonnage, Officers, Seamen, and Cost. Tonnage.
NV Number of Vessels United States Navy.
NG Number of Guns.
TV Tonnage of Vessels belonging to the United States Navy.
TNO Total Number of Navy Officers, including Midshipmen and Mates.
TPO Total Number of Petty Officers, Seamen, etc.