Revue Hydrographique, Volume 2International Hydrographic Bureau, 1924 |
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Common terms and phrases
Admiralty amplitude angle Annalen der Hydrographie apparatus Behm binaural chart datum circuit Coast and Geodetic constant copper plate copy board curves datum depth determined device Diagram Directing Committee disc distance diurnal character diurnal springs echo ECHO SOUNDING electric fathoms frequency Geodetic Survey Harmonic Analysis high water Hydrographic Department Hydrographic Office Hydrographic Review Hydrographic Service Hydrophone Ingénieur Hydrographe International Hydrographic Bureau K₁ level of reduction London low water springs magnetic Marées Marine mean low water mean sea level measuring method metres microphone mixed tides MONACO Nautical navigation Navy neap tides negative corrections OBSERVED PERCENTAGE obtained Ocean Oceanography oscillations pantograph Paris PERCENTAGE of tides perigee planches Price Published quartz receiver sea-bottom ship signal Soerabaja sound waves Special Publication theoretical Tidal Tide Tables tides below level tides below PERCENTAGE tion tracing point transmitter Trinity House U. S. Coast velocity vessels Ystad ΙΟ
Popular passages
Page 147 - Department, for the improvement of the means for navigating safely the vessels of the Navy and of the mercantile marine, by providing, under...
Page 33 - The general aim of the work is to investigate such problems of world-wide interest as relate to the magnetic and electric condition of the Earth and its atmosphere, not specifically the subject of inquiry of any one country, but of international concern and benefit.
Page 144 - ... ever walked again. It was a severe struggle for life itself; and when his ship was paid off, in the next October, he was still undergoing much pain from the exfoliation of the bone. He solaced his enforced leisure by work, preparing for the Admiralty such a set of charts of the coasts of Asia Minor, the Archipelago, the Black Sea, and Africa as had never before been seen at the Admiralty. They were so drawn, finished, and arranged as to be fit for transference to the copper without any aid from...
Page 147 - ... bureau issues annually a wall map of the United States, showing the extent of the public surveys; national parks; national monuments; national forests; Indian, military, bird, and game reservations; and other useful information. It also issues maps of the 29 public-land states, Alaska, and Hawaii. The Hydrographic Office is charged with topographic and hydrographic surveys in foreign waters and on the high seas, and in the preparation and printing of maps and charts required in navigation on...
Page 27 - ... fortifying the port towns. Further, new dockyards were made at Portsmouth, Woolwich, Deptford and other places, and put in thorough working order. The management of the new dockyards was put in the charge of the Trinity House which was founded in March, 1513, by the King, who issued a " Licence to found a Guild in honour of the Holy Trinity and St. Clement in the Church of Deptford Stroud, for reformation of the Navy, lately much decayed by admission of young men without experience, and of Scots,...
Page 129 - ... service, consisting of two vessels, which should patrol the ice regions during the season of danger from icebergs and attempt to keep the trans-Atlantic lanes clear of derelicts during the remainder of the year. The...
Page 147 - Office is charged with the execution of hydrographic surveys in foreign waters and on the high seas; the collection and dissemination of hydrographic and navigational information and data; the preparation and printing by its own personnel and with its own equipment of maps and charts relating to and required in navigation, including confidential, strategical, and tactical charts required for naval operations and maneuvers; the preparation and issue of sailing directions (pilots), light lists, pilot...
Page 129 - At the International Conference on the Safety of Life at Sea, which was convened in London on November 12, 1913, the subject, of patrolling the ice regions was thoroughly discussed, and the convention signed on January 20, .1914, by the representatives of the various maritime powers of the world provided for the inauguration of an international...
Page 173 - Hydrographical Surveying: being a description of the means and methods employed in constructing Marine Charts. With Illustrations.
Page 169 - States; to coordinate their efforts with a view to rendering navigation easier and safer in all the seas of the world...