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 xvii
... Remarks on doubtful phenomena worthy of record , 352 — Observations proper to be made in a city overthrown or affected by an earthquake , 352 - Local conditions to be recorded , 353- Secondary phenomena to be observed , 353— Sea - waves ...
... Remarks on doubtful phenomena worthy of record , 352 — Observations proper to be made in a city overthrown or affected by an earthquake , 352 - Local conditions to be recorded , 353- Secondary phenomena to be observed , 353— Sea - waves ...
Page 1
... remarks which follow will be arranged under these heads . General Astronomy . 1. The first point which calls for ... remark cannot be too strongly impressed on the observers - that a bad observa- tion , or an observation which is given ...
... remarks which follow will be arranged under these heads . General Astronomy . 1. The first point which calls for ... remark cannot be too strongly impressed on the observers - that a bad observa- tion , or an observation which is given ...
Page 6
... remarks which may be suggested by their appearance . 7. Many opportunities will occur of observing the zodiacal light ; more especially when the observer is near the equator , where probably it can be seen at all seasons , before ...
... remarks which may be suggested by their appearance . 7. Many opportunities will occur of observing the zodiacal light ; more especially when the observer is near the equator , where probably it can be seen at all seasons , before ...
Page 13
... remarks above are extracted almost verbatim from the paper before referred to , and they need no farther comment . For the advantage of such officers as have not access to the ' Memoirs of the Royal Astronomical Society , ' the formula ...
... remarks above are extracted almost verbatim from the paper before referred to , and they need no farther comment . For the advantage of such officers as have not access to the ' Memoirs of the Royal Astronomical Society , ' the formula ...
Page 16
... remarks which may be considered useful . is 3. With the direction of the current thus determined , it very desirable to connect the temperature of the surface of the sea , for it has been by such observations that we have been able to ...
... remarks which may be considered useful . is 3. With the direction of the current thus determined , it very desirable to connect the temperature of the surface of the sea , for it has been by such observations that we have been able to ...
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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
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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.