A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her Majesty's Navy; and Travellers in General
John Frederick William Herschel, Robert Main
J. Murray, 1859 - Electronic book - 429 pages
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afford angles animals appear ascertained attention barometer become called carefully changes character circle coast collected column connected contain continued correct course currents deflection depth described desirable determined direction distance Edition effects especially examined fall force give given head height History horizontal important inches inclination interest intervals islands kind known land latitude less lunitidal interval magnet marked means measure minerals minute nature necessary needle noted notice objects observations obtained occur ocean origin particular passing persons portion position possible Post 8vo present preserved produced recorded reference remains remarks respect rise rivers rocks scale shells ship shock side skin soundings South specimens stations stream surface taken temperature tide tion transit tube usually various vertical vessel Vols wave whole wind
Page 9 - CURETON (REV. W.) Remains of a very Ancient Recension of the Four Gospels in Syriac, hitherto unknown in Europe.
Page 327 - the transit of a wave or waves of elastic compression in any direction from vertically upwards to horizontally, in any azimuth, through the crust and surface of the earth, from any centre of impulse or from more than one, and which may be attended with sound and tidal waves, dependent upon the impulse and upon circumstances of position as to sea and land.
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Page iii - 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...
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Page 93 - ... and if the amount is large, the heeling error is corrected by the application of a vertical magnet. The whole process is described, and all the mathematical formula and arithmetical processes, and a number of convenient graphic methods, are given in the "Admiralty Manual for ascertaining and applying the Deviations of the Compass caused by the Iron of a Ship.
Page 76 - 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.