Proceedings of the British Meteorological Society, Volume 2

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Taylor & Francis, 1865
 

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Page 37 - ... there is also some reason to believe that on one occasion our luminary was caught in the very act. On the 1st of September, 1859, two astronomers, Messrs. Carrington and Hodgson, were independently observing the sun's disc, which exhibited at that time a very...
Page 253 - ... talents he possessed, not in the accumulation of wealth, but in advancing the interests of his profession, and in helping forward the cause of humanity. On leaving the Royal Naval College, he was received in May, 1816, on board the
Page 253 - ... active service consequent upon his various appointments he had united the practice of maritime surveying, and the combined pursuits of a scientific hydrographer and geographer. In 1835 he succeeded Captain Maconochie as Secretary of the Royal Geographical Society of London, but resigned that office in 1841, on being appointed to continue the survey of the North Sea, which had for some time been in progress. During this undertaking, in which he was continually engaged until the close of 1844,...
Page 179 - Into the cylinder this thermometer d, is introduced, the stem of which is protected by a piece of brass tubing. We thus obtain the temperature of the mercury. The flat end of the cylinder is to be turned towards the sun, and the surface thus presented is coated with lampblack.
Page 405 - Bucks, was balloted for and duly elected a Member of the Society. The names of Three Candidates for admission into the Society were read.
Page 300 - II 29-392 60-8 ii 29-502 64-8 kindly ask me to give you some information about it, I will endeavour to do so to the best of my ability. In fact, since I have somewhat recovered, I have written out some remembrances of that fearful day, and will now give you some extracts from that paper, viz. — On the llth of July, 1863 (os), at about 12 o'clock AM, I arrived at home after having made my journey to France, England, &c. Later...
Page 177 - One inch rise or fall in the standard barometer may be represented by 4 or 5 inches in this instrument, so that it shows small variations in atmospheric pressure very distinctly. As the mercury falls in the tube with a decrease of pressure, the surface of the mercury in the cistern rises, and the floating tube rises also, which causes an additional descent in the column, as shown by fixed graduations on the tube.
Page 36 - The force with which the Earth acts upon the needle is directive merely ; that is to say, the needle is neither attracted nor repelled as a whole, but simply twisted round, and in this respect the Earth is similar to a very powerful magnet, the pole of which is placed at a great distance from the needle upon which it acts. If we keep a magnetic bar constantly suspended in the same place, its position will be subject to many changes. In the first place, there is that change which goes on in the same...
Page 438 - ... through which they pass, and if so, the proportion of heat received at Mercury, Venus, Jupiter, and Saturn, may be the same as that received at the Earth, if the constituents of their atmospheres be the same as that of the Earth, and greater if the density be greater, so that the effective solar heat at Jupiter and Saturn may be greater than at either the inferior planets Mercury or Venus, notwithstanding their far greater distances from the Sun.
Page 254 - ... necessarily occupied in correcting the existing charts, as the positions of the shoals and the directions of the navigable channels had in many cases become changed. This service was strikingly useful, and led in a great degree to his subsequent appointment as a Royal Commissioner on certain important questions respecting the construction of harbours of refuge on exposed coasts of the country. In 1842 he was appointed to the rank of Post-Captain, in compliment to the King of Prussia. This survey...

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