The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould and Lincoln, 1867 |
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Pagina 27
... consists of sections of great cast - iron_tub- ing , about 36 feet long and 9 in diameter , let into the earth by simply excavating beneath them , and allowing them to sink as the earth was removed . Having in this way worked through ...
... consists of sections of great cast - iron_tub- ing , about 36 feet long and 9 in diameter , let into the earth by simply excavating beneath them , and allowing them to sink as the earth was removed . Having in this way worked through ...
Pagina 30
... consists of twelve inches of the best brick and cement , in three shells ; about 4,000,000 bricks were used in its construction . On the 16th of November , 1866 , the opposite gangs of work- men were within two feet of each other , and ...
... consists of twelve inches of the best brick and cement , in three shells ; about 4,000,000 bricks were used in its construction . On the 16th of November , 1866 , the opposite gangs of work- men were within two feet of each other , and ...
Pagina 31
... consisting chiefly of strong clay . The tunnel would be twenty - six miles in length from shore to shore . On this ... consist of three passage - ways , the centre one to be used by foot - passengers and the two side ways to be used for ...
... consisting chiefly of strong clay . The tunnel would be twenty - six miles in length from shore to shore . On this ... consist of three passage - ways , the centre one to be used by foot - passengers and the two side ways to be used for ...
Pagina 40
... consisting of magnesia 68.3 , water 31.7 , or a simple hydrate of magnesia . He has made copies of medals , like those of plaster , from magnesia thus hardened under water . Balard's magnesia , calcined at a red heat , he says , has ...
... consisting of magnesia 68.3 , water 31.7 , or a simple hydrate of magnesia . He has made copies of medals , like those of plaster , from magnesia thus hardened under water . Balard's magnesia , calcined at a red heat , he says , has ...
Pagina 48
... consists of four parts or elements , all of which are necessary to its use . The first is an automatic feeding - mill , which furnishes a regular and constant supply of the material to be pulverized . The second element is an iron drum ...
... consists of four parts or elements , all of which are necessary to its use . The first is an automatic feeding - mill , which furnishes a regular and constant supply of the material to be pulverized . The second element is an iron drum ...
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 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 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...