The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1857 |
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Pagina 20
... become bewildered with their complexity ; and in investigating these phenomena , find ourselves in the condition of the explorer of a new con- tinent , who , although he might see the same sun over his head , the same ocean rolling at ...
... become bewildered with their complexity ; and in investigating these phenomena , find ourselves in the condition of the explorer of a new con- tinent , who , although he might see the same sun over his head , the same ocean rolling at ...
Pagina 25
... becomes , as Baron Liebig asserts , a matter of para- mount necessity . Now that the same necessity exists for the addition of ammoniacal manures can hardly be contended , when we reflect , that at the first commencement of vegetable ...
... becomes , as Baron Liebig asserts , a matter of para- mount necessity . Now that the same necessity exists for the addition of ammoniacal manures can hardly be contended , when we reflect , that at the first commencement of vegetable ...
Pagina 27
... becomes me to speak with more diffidence , inasmuch as the office which the pollen discharges in the act of fecundation is still a matter of dispute between such men as Schleiden and Schacht on the one side , and Hofmeister , Moll , & c ...
... becomes me to speak with more diffidence , inasmuch as the office which the pollen discharges in the act of fecundation is still a matter of dispute between such men as Schleiden and Schacht on the one side , and Hofmeister , Moll , & c ...
Pagina 31
... in the external conditions to which they were subjected . On the other hand , it seems to be a general law that plants whose organization is more easily affected by external agencies , become , from that very MECHANICS AND USEFUL ARTS . 31.
... in the external conditions to which they were subjected . On the other hand , it seems to be a general law that plants whose organization is more easily affected by external agencies , become , from that very MECHANICS AND USEFUL ARTS . 31.
Pagina 32
affected by external agencies , become , from that very cause , more circum- scribed in their range of distribution ; simply because a greater difference in the circumstances under which they would be placed , brought with it an amount ...
affected by external agencies , become , from that very cause , more circum- scribed in their range of distribution ; simply because a greater difference in the circumstances under which they would be placed , brought with it an amount ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1856 |
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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
Populaire passages
Pagina 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...
Pagina 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...
Pagina 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...
Pagina 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.
Pagina 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.
Pagina 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.
Pagina 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.
Pagina 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...