Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1850 |
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... become increas- ingly interesting and valuable from year to year . Gentlemen , - AUGUSTUS A. GOULD . From Lieut . Maury , U. S. Navy . National Observatory , Washington . Such a work as you propose to publish and make the " Annual of ...
... become increas- ingly interesting and valuable from year to year . Gentlemen , - AUGUSTUS A. GOULD . From Lieut . Maury , U. S. Navy . National Observatory , Washington . Such a work as you propose to publish and make the " Annual of ...
Página 17
... become at once a bolt . As soon as each " set " of the half - inch iron plates which form the sides , top , and bottom of the Britannia tubes have by a travelling crane been lifted technically termed " picked up " into their place , and ...
... become at once a bolt . As soon as each " set " of the half - inch iron plates which form the sides , top , and bottom of the Britannia tubes have by a travelling crane been lifted technically termed " picked up " into their place , and ...
Página 18
... becomes now a rivet , which , by contracting as it cools , binds together the plates even more firmly than they had al- ready been almost cemented by the irresistible coercion of three sledge - hammers ; indeed , they are so powerfully ...
... becomes now a rivet , which , by contracting as it cools , binds together the plates even more firmly than they had al- ready been almost cemented by the irresistible coercion of three sledge - hammers ; indeed , they are so powerfully ...
Página 26
... becomes red - hot , and the fusible metal melting off from the small tube , the steam instantly rushes out , and thus gives notice to the engineer . More water is of course then let into the boiler , and the pipes are stopped with plugs ...
... becomes red - hot , and the fusible metal melting off from the small tube , the steam instantly rushes out , and thus gives notice to the engineer . More water is of course then let into the boiler , and the pipes are stopped with plugs ...
Página 27
... becomes case - hardened in a very short space of time . The trials took place in the presence of several scientific gentle- men and engineers of eminence in their profession , in a frigate's pinnace , the engine being constructed for ...
... becomes case - hardened in a very short space of time . The trials took place in the presence of several scientific gentle- men and engineers of eminence in their profession , in a frigate's pinnace , the engine being constructed for ...
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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.