The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 17Gould, Kendall, and Lincoln, 1867 |
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Pagina iv
... the estima- tion of the best engineers , greatly increasing the economy of ma- rine engines . The use of superheated steam is yet in its infancy , IV but it is to be hoped that theoretical fears on NOTES BY THE EDITOR, ...
... the estima- tion of the best engineers , greatly increasing the economy of ma- rine engines . The use of superheated steam is yet in its infancy , IV but it is to be hoped that theoretical fears on NOTES BY THE EDITOR, ...
Pagina v
... engines seems to be approaching practical appli- cation . The substitution of steel for iron in various parts of locomotives , and for rails , has added greatly to the permanence of the ma- chinery , and diminished the wear and tear in ...
... engines seems to be approaching practical appli- cation . The substitution of steel for iron in various parts of locomotives , and for rails , has added greatly to the permanence of the ma- chinery , and diminished the wear and tear in ...
Pagina 19
... their heads and wept . Others broke into cheers , and the cry ran from man to man , and was heard down in the engine - rooms , deck below deck , and from the " boats on the water , and the other ships MECHANICS AND USEFUL ARTS . 19.
... their heads and wept . Others broke into cheers , and the cry ran from man to man , and was heard down in the engine - rooms , deck below deck , and from the " boats on the water , and the other ships MECHANICS AND USEFUL ARTS . 19.
Pagina 32
... engine , the prolonged piston - rod of which carries a jumper , that makes 250 strokes a minute . The excess of pressure on each jumper , above that of the air - spring which brings it back , is 216 lbs . , thus bringing a very ...
... engine , the prolonged piston - rod of which carries a jumper , that makes 250 strokes a minute . The excess of pressure on each jumper , above that of the air - spring which brings it back , is 216 lbs . , thus bringing a very ...
Pagina 33
... engine of the dredge raise a torrent of water which carries the earth off beyond the bank , and spreads it over a wide surface . In this country , where we are just now about to reverse our sys- tem , and keep our rivers clear instead ...
... engine of the dredge raise a torrent of water which carries the earth off beyond the bank , and spreads it over a wide surface . In this country , where we are just now about to reverse our sys- tem , and keep our rivers clear instead ...
Overige edities - Alles bekijken
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 - 1857 |
Veelvoorkomende woorden en zinsdelen
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Populaire passages
Pagina 303 - When the ether spray thus produced is directed upon the outer skin, the skin is rendered insensible within a minute; but the effects do not end here. So soon as the skin is divided, the ether begins to exert on the nervous filaments the double action of cold and of etherization : so that the narcotism can be extended deeply to any desired extent. Pure rectified ether used in this manner is entirely negative ; it causes no irritation, and may be applied to a deep wound, as I shall show, without any...
Pagina 261 - a special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions of climate.
Pagina 199 - For the sick-room, free ventilation, when it can be secured, together with an even temperature, is all that can be required. " 2. For rapid deodorization and disinfection, chlorine is the most effective agent known. "3. For steady and continuous effect ozone is the best agent known. "4, In the absence of ozone, iodine exposed, in the solid form, to the air is the best.
Pagina 344 - They may be gaseous nebulae, which by the loss of heat or the influence of other forces have become crowded with portions of matter in a more condensed and opaque condition. 6. If the observations of Lord...
Pagina 20 - I sat in the electricians' room, a flash of light came up from the deep, which having crossed to Ireland, came back to me in mid-ocean, telling that those so dear to me, whom I had left on the banks of the Hudson, were well, and following us with their wishes and their prayers. (Applause.) This was like a whisper of God from the sea, bidding me keep heart and hope.