A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her Majesty's Navy; and Travellers in GeneralJohn Frederick William Herschel, Robert Main |
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Page vi
... kind attention of their respective authors , Mr. W. J. Hamilton , Dr. Bryson , and Dr. Owen . The articles Tides and Geology were referred to their authors , who , however , did not find occasion to make any altera- tions . The articles ...
... kind attention of their respective authors , Mr. W. J. Hamilton , Dr. Bryson , and Dr. Owen . The articles Tides and Geology were referred to their authors , who , however , did not find occasion to make any altera- tions . The articles ...
Page 5
... kind must be recorded with the utmost fulness . 5. It is certain that some of the stars of the southern hemisphere are variable in magnitude ; the most remarkable of these is ʼn Argûs . It is desirable that , on favourable nights , the ...
... kind must be recorded with the utmost fulness . 5. It is certain that some of the stars of the southern hemisphere are variable in magnitude ; the most remarkable of these is ʼn Argûs . It is desirable that , on favourable nights , the ...
Page 9
... elements of reduction of whatever kind ; and that ( if the navigator has had leisure to reduce them ) the reduced results should also be given . G. B. AIRY . APPENDIX No. 1 . BY SIR J. F. W. HERSCHEL Art . I. 9 ASTRONOMY .
... elements of reduction of whatever kind ; and that ( if the navigator has had leisure to reduce them ) the reduced results should also be given . G. B. AIRY . APPENDIX No. 1 . BY SIR J. F. W. HERSCHEL Art . I. 9 ASTRONOMY .
Page 23
... kind of observations are required , will at the same time , I think , insure his interest in the subject and his hearty desire to co - operate in the matter . In the Philosophical Transactions , 1848 , Part I . , * it has been shown ...
... kind of observations are required , will at the same time , I think , insure his interest in the subject and his hearty desire to co - operate in the matter . In the Philosophical Transactions , 1848 , Part I . , * it has been shown ...
Page 65
... kind . 2. The time of high water ( and low water ) may some- times ( when the sea is calm ) be ascertained with sufficient accuracy by observing the surface of the sea , where it washes a vertical scale fixed in the open water , and ...
... kind . 2. The time of high water ( and low water ) may some- times ( when the sea is calm ) be ascertained with sufficient accuracy by observing the surface of the sea , where it washes a vertical scale fixed in the open water , and ...
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A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her ... John Frederick William Herschel No preview available - 2017 |
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actinometer afford altitude angles animals ascer ascertained atmospheric wave azimuth barometer Cape Horn carefully centre character chronometer circle coast colour column coral correct currents deflection deflector depth desirable determined dipping needle direction distance earth earth-wave earthquake Edition especially Fcap fissures fossil geographical geology height high water horizontal igneous rocks important inches inclination inquiry instrument islands known land latitude longitude lunitidal interval magnetic force magnetic moment maps means measure mercury meridian Mineralogy minerals minute moon's transit nature navigation needle noted objects observations obtained occur ocean origin phenomena port portion position possible Post 8vo preserved quadrupeds racter reefs remarks rivers rocks scale seismometer sextant shells ship shock shore skin specimens stations strata stream surface taken temperature thermometer tide tide-wave tion tribe tube vernier vertical vessel vibration Vols voyage wind Woodcuts zodiacal light
Popular passages
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...
Page 5 - More Worlds than One. The Creed of the Philosopher and the Hope of the Christian.
Page 25 - PENROSE'S (FC) Principles of Athenian Architecture, and the Optical Refinements exhibited in the Construction of the Ancient Buildings at Athens, from a Survey. With 40 Plates. Folio.
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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.