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 v
... plates is still waged with great vigor , and the victory just now appears to be on the side of the steel projectiles ... plate makers . The new gunpowder of Capt . Schultze , made from wood , by a process similar to that of making gun ...
... plates is still waged with great vigor , and the victory just now appears to be on the side of the steel projectiles ... plate makers . The new gunpowder of Capt . Schultze , made from wood , by a process similar to that of making gun ...
Pagina 36
... plate girders constituting the former , and the lat- ter being of wrought - iron on the lattice principle . The piers and abutments were of solid ashlar masonry , and the works were ar- ranged for a single line of railway . It appeared ...
... plate girders constituting the former , and the lat- ter being of wrought - iron on the lattice principle . The piers and abutments were of solid ashlar masonry , and the works were ar- ranged for a single line of railway . It appeared ...
Pagina 37
... plate . The object of using steel instead of wrought - iron was to reduce the weight of the girders ; these are four ... plates used varied from one - quarter to seven - sixteenths of an inch in thickness ; and the average tensile ...
... plate . The object of using steel instead of wrought - iron was to reduce the weight of the girders ; these are four ... plates used varied from one - quarter to seven - sixteenths of an inch in thickness ; and the average tensile ...
Pagina 39
... Plates of glass were firmly joined , edge to edge ; ordinary bottles stuck upon the wall resisted all attempts at separation , till the stone yielded . Champagne bottles , cemented bottom to bot- tom , sustained a weight of 250 pounds ...
... Plates of glass were firmly joined , edge to edge ; ordinary bottles stuck upon the wall resisted all attempts at separation , till the stone yielded . Champagne bottles , cemented bottom to bot- tom , sustained a weight of 250 pounds ...
Pagina 43
... plate into pounds , so that the number of pounds of strain upon the belt may be read off at any instant by a mere inspection of the dial . The mode of oper- ation of this part of the apparatus is then as follows : When no power is being ...
... plate into pounds , so that the number of pounds of strain upon the belt may be read off at any instant by a mere inspection of the dial . The mode of oper- ation of this part of the apparatus is then as follows : When no power is being ...
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 |
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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.