Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1850 |
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Página 16
... engines procured . 700 men were employed on the iron - work , and 800 on the stone for the towers . We will describe ... engine , into a hole rather larger than itself , perforated in a small anvil beneath . As soon as the laborers of ...
... engines procured . 700 men were employed on the iron - work , and 800 on the stone for the towers . We will describe ... engine , into a hole rather larger than itself , perforated in a small anvil beneath . As soon as the laborers of ...
Página 17
... engine , upon the ground , through the matrix or perforation in the anvil . When the plates , averaging from six to twelve feet in length , by above two feet in breadth , have been thus punched all around , and before they are brought ...
... engine , upon the ground , through the matrix or perforation in the anvil . When the plates , averaging from six to twelve feet in length , by above two feet in breadth , have been thus punched all around , and before they are brought ...
Página 23
... engines an arrangement of what are called " cellular vessels , " formed of malleable cast - iron , one ves- sel being placed underneath the boiler and over the fire , while the oth- er is placed within the boiler . They are connected by ...
... engines an arrangement of what are called " cellular vessels , " formed of malleable cast - iron , one ves- sel being placed underneath the boiler and over the fire , while the oth- er is placed within the boiler . They are connected by ...
Página 24
... ENGINE . The THE improved disk engine which has been fitted up for the purpose of driving the printing - presses of the London Times occupies the wonderfully small space of seven feet in length by four in width , and its highest part is ...
... ENGINE . The THE improved disk engine which has been fitted up for the purpose of driving the printing - presses of the London Times occupies the wonderfully small space of seven feet in length by four in width , and its highest part is ...
Página 25
... engine is communicat- ed to a fly - wheel shaft , which carries a small pinion - gearing into a large wheel . The winding barrel to which this hoisting - rope is at- tached is locked to the shaft of the large wheel by means of a driving ...
... engine is communicat- ed to a fly - wheel shaft , which carries a small pinion - gearing into a large wheel . The winding barrel to which this hoisting - rope is at- tached is locked to the shaft of the large wheel by means of a driving ...
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Pasajes populares
Página 355 - Mayne, like a shewer from the South to the North, and from the North to the West, and then downe to the South againe.
Página 237 - We found the pillar to be of solid salt, capped with carbonate of lime, cylindrical in front and pyramidal behind. The upper or rounded part is about forty feet high, resting on a kind of oval pedestal, from forty to sixty feet above the level of the sea. It slightly decreases in size upwards, crumbles at the top, and is one entire mass of crystallization.
Página 5 - WASHINGTON STREET, BOSTON, ANNUAL OF SCIENTIFIC DISCOVERY ; or, Year Book of Facts in Science and Art, exhibiting the most important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Meteorology, Zoology, Botany, Mineralogy, Geology, Geography, Antiquities, etc.
Página 147 - Sometimes it will be more convenient to arrange the two charts in symmetrical positions, one to the left and the other to the right of the subject's median plane, and with a slight inclination toward this plane.