The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1857 |
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Сторінка 22
... direction of a bit of steel suspended near the earth can , as Colonel Sabine has proved , be influenced by the position of a body like the moon , situated at a distance from it of more than 200,000 miles , who shall say that there was ...
... direction of a bit of steel suspended near the earth can , as Colonel Sabine has proved , be influenced by the position of a body like the moon , situated at a distance from it of more than 200,000 miles , who shall say that there was ...
Сторінка 29
... directions ; for we had in some cases to explain the occurrence of a peculiar Flora in islands cut off from the rest of the world , except through the medium of a wide intervening ocean ; and in other cases to reconcile the fact of the ...
... directions ; for we had in some cases to explain the occurrence of a peculiar Flora in islands cut off from the rest of the world , except through the medium of a wide intervening ocean ; and in other cases to reconcile the fact of the ...
Сторінка 40
... direction from her form as moulded . Hirundine Propeller . - This propeller , for which great results are claimed in England , is thus constructed : A flat , many - jointed or elastic band , repre- senting the leech , is extended ...
... direction from her form as moulded . Hirundine Propeller . - This propeller , for which great results are claimed in England , is thus constructed : A flat , many - jointed or elastic band , repre- senting the leech , is extended ...
Сторінка 43
... direction , and tend to support the principle just stated ; but nothing short of an attempt to reach thirty or forty miles an hour will satisfy the occasion . Various members discussed the subject of the paper at some length ; and while ...
... direction , and tend to support the principle just stated ; but nothing short of an attempt to reach thirty or forty miles an hour will satisfy the occasion . Various members discussed the subject of the paper at some length ; and while ...
Сторінка 50
... direction , but in a longitudinal direction its two faces are parallel . By thus tapering the valve , one of its sides is caused to have a greater area than the other , and the steam , by exerting a greater pressure on the larger area ...
... direction , but in a longitudinal direction its two faces are parallel . By thus tapering the valve , one of its sides is caused to have a greater area than the other , and the steam , by exerting a greater pressure on the larger area ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
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action æther alloy ammonia animal antimony appears atmosphere axis body boiler bone phosphate bottom carbonic acid cast iron cause centre chemical coal color containing copper cylinder deposit diameter direction earth effect electricity employed engine England experiments fact feet fluid force fossils furnace glass gold grain Greensand Gulf Stream gutta percha heat improvement inches increased invention kilogrammes length less light lime machine manufacture mass material matter means metal miles minute motion nearly observations obtained operation ordinary organic oxide oxygen paper pass patent perfect pig iron pig metal placed plants plate portion pounds present pressure produced Prof proportion puddling furnace quantity recently river rocks salt shaft side silver solution species specimens steam steel strychnia substance sulphur sulphuric acid surface temperature thickness tion tube valve vegetable velocity vessel weight whole wire wood wrought iron zinc
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Сторінка xvi - ... other plants, adapted to the latitude and climate of the State of Maryland, and cause to be carefully noticed upon the records of said institution the character of said experiments, the kind of soil upon which they were undertaken, the system of cultivation adopted, the state of the atmosphere and...
Сторінка 260 - ... wrought into the forms and shapes required, provided that we increase the size and power of our machinery to the extent necessary to deal with such large masses of metal. A few minutes...
Сторінка 258 - ... carbon present allows a part of the oxygen to combine with the iron, which undergoes combustion and is converted into an oxide. At the excessive temperature that the metal has now acquired, the oxide as soon as formed undergoes fusion, and forms a powerful solvent of those earthy bases that are associated with the iron ; the violent ebullition which is going on mixes most intimately the...
Сторінка 305 - Stream, the sounding from Lat. 31° 32', Long. 79° 35', depth 150 fathoms, is mentioned as " a mixture in about equal proportions of Globigerina and black sand, probably greensand, as it makes a green mark when crushed on paper.
Сторінка 400 - STRENGTH AND OTHER PROPERTIES OF METALS; Reports of Experiments on the Strength and other Properties of Metals for Cannon. With a Description of the Machines for Testing Metals, and of the Classification of Cannon in service. By Officers of the Ordnance Department, US Army. By authority of the Secretary of War. Illustrated by 25 large steel plates. Quarto . $10.00 SULLIVAN. — Protection to Native Industry. By Sir EDWARD SULLIVAN, Baronet, author of " Ten Chapters on Social Reforms.
Сторінка 144 - May, and published in the proceedings, shows that a wire of six times the length of the Varna and Balaklava wire, if of the same lateral dimensions, would give thirty-six times the retardation, and thirty-six times the slowness of action.
Сторінка 400 - Gift of the State of New York. 13034, 0. 5. Sixth annual report of the Regents of the University of the State of New York on the condition of the State Cabinet of Natural History, &o.
Сторінка 395 - A communication from Professor Henry of Washington having been read, containing a proposal for the publication of a catalogue of philosophical memoirs scattered throughout the Transactions of Societies in Europe and America, with the offer of co-operation on the part of the Smithsonian Institution, to the extent of preparing and publishing in accordance with the general plan which might be adopted by the British Association, a catalogue of all the American memoirs on physical science, — the Committee...