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 |
From inside the book
Results 1-5 of 9
Page 56
... Lunitidal interval . level . entries . Oct. h . m . P.M. ft . in . observed . ( h , t , D , i . ) ft . in . in . 1 0 20 A.M. 3 10 29.92 3 ft . 0 in . 0 30 1 0 40 3 2 30 SN.N.W. t 0 h . 40 m . 2 Low . .. 0 50 3 2 oh . 20m . i 1 0 310 S40 ...
... Lunitidal interval . level . entries . Oct. h . m . P.M. ft . in . observed . ( h , t , D , i . ) ft . in . in . 1 0 20 A.M. 3 10 29.92 3 ft . 0 in . 0 30 1 0 40 3 2 30 SN.N.W. t 0 h . 40 m . 2 Low . .. 0 50 3 2 oh . 20m . i 1 0 310 S40 ...
Page 70
... lunitidal interval calculated therefrom . The alternate transits are inter- polated midway between the others , which are given by the table in the Nautical Almanac . The A.M. transit which happens at Oh . 32m . on the 14th is given in ...
... lunitidal interval calculated therefrom . The alternate transits are inter- polated midway between the others , which are given by the table in the Nautical Almanac . The A.M. transit which happens at Oh . 32m . on the 14th is given in ...
Page 71
... lunitidal intervals given in ( 13 ) . 30m 30m 3 Times H. W. Fig . 2 . Lunitidal Interval . Jan. 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 . Ο Full Moon . 15. In the observations given in ( 13 ) we may see how loose a term the ...
... lunitidal intervals given in ( 13 ) . 30m 30m 3 Times H. W. Fig . 2 . Lunitidal Interval . Jan. 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 . Ο Full Moon . 15. In the observations given in ( 13 ) we may see how loose a term the ...
Page 72
... Lunitidal Interval . 2h 16m Fig . 3 . Moon's Transit . 7 10 Jan. 7 , 8 , 9 , 10 , 11 12 3 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 . In this case the establishment is the ordinate of this curve which corresponds to the time of ...
... Lunitidal Interval . 2h 16m Fig . 3 . Moon's Transit . 7 10 Jan. 7 , 8 , 9 , 10 , 11 12 3 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 . In this case the establishment is the ordinate of this curve which corresponds to the time of ...
Page 73
... intervals to represent successive half - days , as in ( 16 ) . But the curve ... interval of one , two , or three days is called the age of the tide . 20. If ... lunitidal intervals and heights of low water may be laid down in curves in ...
... intervals to represent successive half - days , as in ( 16 ) . But the curve ... interval of one , two , or three days is called the age of the tide . 20. If ... lunitidal intervals and heights of low water may be laid down in curves in ...
Other editions - View all
A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her ... John Frederick William Herschel No preview available - 2017 |
Common terms and phrases
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.
Page 9 - Life and Times of Titian, with some Account of hig Family, chiefly from new and unpublished records. With Portrait and Illustrations. 2 vols. Svo. 42s. GUMMING (R. GORDON). Five Years of a Hunter's Life in the Far Interior of South Africa.
Page 21 - Elements of Geology; or, the Ancient Changes of the Earth and its Inhabitants as illustrated by Geological Monuments. Sixth Edition. Woodcuts. Svo. 18s. Principles of Geology; or, the Modern Changes of the Eartli and its Inhabitants considered as illustrative of Geology, Tenth Edition.
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.
Page 21 - History of Rome. From the Earliest Times to the Establishment of the Empire. With the History of Literature and Art.
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.