The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1857 |
З цієї книги
Результати 1-5 із 100
Сторінка xiv
... quantities , and the con- firmatory result of groups of several hundred observations , leave no doubt of the fact of our having been enabled to measure here a quantity which is so small as to be altogether inappreciable at lower ...
... quantities , and the con- firmatory result of groups of several hundred observations , leave no doubt of the fact of our having been enabled to measure here a quantity which is so small as to be altogether inappreciable at lower ...
Сторінка xviii
... quantities of coarse river sand in his soil . His whole stock has been dispersed since his death . The Imperial Agricultural Society of Paris has been trying to dis- cover why seeds , apparently all alike , do not germinate all at the ...
... quantities of coarse river sand in his soil . His whole stock has been dispersed since his death . The Imperial Agricultural Society of Paris has been trying to dis- cover why seeds , apparently all alike , do not germinate all at the ...
Сторінка 33
... state of combination , whatever quantity of phos- phoric acid had in this manner been introduced into the rock , must have This continued there till the end of time , notwithstanding any 2 * MECHANICS AND USEFUL ARTS . 33.
... state of combination , whatever quantity of phos- phoric acid had in this manner been introduced into the rock , must have This continued there till the end of time , notwithstanding any 2 * MECHANICS AND USEFUL ARTS . 33.
Сторінка 34
... quantity I detected in the slates of Bangor , which were tested in the above manner , it might perhaps be warrantable hereafter to infer that we had really touched upon those formations that had been deposited at a time when organic ...
... quantity I detected in the slates of Bangor , which were tested in the above manner , it might perhaps be warrantable hereafter to infer that we had really touched upon those formations that had been deposited at a time when organic ...
Сторінка 44
... quantity of steam . The boiler was filled to within two inches of the top ( 10 inches of water ) and it was not fed during the 36 hours ; at the end of that period it was only reduced 4 inches , and contained 6. The feed pump was then ...
... quantity of steam . The boiler was filled to within two inches of the top ( 10 inches of water ) and it was not fed during the 36 hours ; at the end of that period it was only reduced 4 inches , and contained 6. The feed pump was then ...
Інші видання - Показати все
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 |
Загальні терміни та фрази
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
Популярні уривки
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...