A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her Majesty's Navy; and Travellers in General |
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Page 2
... written down : in a column by the side of this should be written the correction for index- error , with a statement whether it is to be added to , or to be subtracted from , the sextant - reading : 2 [ Sect . I. ASTRONOMY .
... written down : in a column by the side of this should be written the correction for index- error , with a statement whether it is to be added to , or to be subtracted from , the sextant - reading : 2 [ Sect . I. ASTRONOMY .
Page 3
... column should be written a reference to the observa- tions by which the index - error was determined : and in the last column should be written the distance as cor- rected . For the altitudes , the height of the eye , the depression of ...
... column should be written a reference to the observa- tions by which the index - error was determined : and in the last column should be written the distance as cor- rected . For the altitudes , the height of the eye , the depression of ...
Page 55
... column for the temperature of the open air , and another for that of the surface of the sea , which should be registered frequently during the twenty - four hours ; but as such observations form an essential feature in the ...
... column for the temperature of the open air , and another for that of the surface of the sea , which should be registered frequently during the twenty - four hours ; but as such observations form an essential feature in the ...
Page 56
... column . * At the end of the passage a summary of these re- marks should be given , the whole effect of the current for each particular portion of the passage recapitulated , such as that which was due to the N.E. or S.E. trade- wind ...
... column . * At the end of the passage a summary of these re- marks should be given , the whole effect of the current for each particular portion of the passage recapitulated , such as that which was due to the N.E. or S.E. trade- wind ...
Page 80
... column will stand a quantity which applied to the low water standard of the port + or - , according as the arc is less or greater than 90 ° , will give the reduction required . If the arc exceeds 90 ° take its supplement . But it is to ...
... column will stand a quantity which applied to the low water standard of the port + or - , according as the arc is less or greater than 90 ° , will give the reduction required . If the arc exceeds 90 ° take its supplement . But it is to ...
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actinometer afford algæ altitude angles animals ascer ascertained atmospheric waves Auriga barometer Cape Horn carefully centre character coast collected colour column corals correct crystals deflection deflector depth desirable determined direction distance earth Engl especially Fcap fissures fossil geology head height high water horizontal igneous rocks important inches inclination inquiry instrument islands kind known land latitude longitude low water lunitidal interval means measure mercury meridian minerals minute mode moon's transit nature navigation needle North noted objects observations obtained occur ocean particular phenomena plants Plates port portion Portrait position Post 8vo preserved quadrupeds racter reefs remarks rivers rocks Second Edition sextant shells ship shore skin sound specific gravity specimens stream substances surface taken temperature thermometer Third Edition three-hourly tide tide-wave tion tribe tube vertical vessels vibration Vols voyage WASHINGTON IRVING wave wind Woodcuts
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Page 20 - MAWE'S (HL) Journal of a Passage from the Pacific to the Atlantic, crossing the Andes in the Northern Provinces of Peru, and descending the great River Maranon.
Page 22 - NEALE'S (EV) Feasts and Fasts: an Essay on the Rise, Progress, and Present State of the Laws relating to Sundays and other Holidays, &c. Fcap.
Page v - It is the opinion of the Lords Commissioners of the Admiralty, that it would be to the honour and advantage of the Navy, and conduce to the general interests of science, if new facilities and encouragement were given to the collection of information upon scientific subjects by the officers, and more particularly by the medical officers, of Her Majesty's Navy, when upon foreign service...
Page 26 - LEXINGTON (THE) PAPERS ; or, Some Account of the Courts of London and Vienna at the end of the 17th Century. Extracted from the Official and Private Correspondence of ROBERT SUTTON (LORD LEXINGTON) while Minister at Vienna.
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Page 283 - It happens fortunately that almost every datum which the scientific meteorologist can require is furnished in its best and most available state by that definite, systematic process known as the " keeping a meteorological register" which consists in noting at stated hours of every day the readings of all the meteorological instruments at command, as well as all such facts or indications of wind and weather as are susceptible of being definitely described and estimated without instrumental aid. Occasional...
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Page 122 - Mistakes and errors have often been produced in tide observations by supposing that the turn of the tide stream is the time of high water. But this is not so. The turn of the stream generally takes place at a different time from high water, except at the head of a bay or creek. The stream of flood commonly runs for some time, often for hours, after the time of high water. In the same way, the stream of ebb runs for some time after low water.
Page 291 - ... no risk of change. The next correction, and the most important of all, is that due to the temperature of the Mercury in the Barometer tube at the time of observation. To obtain this, every Barometer requires to have attached to...
Page 4 - Voyages of Discovery and Research within the Arctic Regions, from 1818 to the present time. Under the Command of the several Naval Officers, employed by Sea and Land, in search of a North-west Passage from the Atlantic to the Pacific : with Two Attempts to reach the North Pole. Abridged and arranged from the Official Narratives, with Occasional Remarks.