Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art, for [1850]-71, Exhibiting the Most Important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Geology, Biology, Botany, Mineralogy, Meteorology, Geography, Antiquities, Etc., Together with Notes on the Progress of Science ... a List of Recent Scientific Publications; Obituaries of Eminent Scientific Men, Etc. ...Gould and Lincoln, 1867 |
No interior do livro
Resultados 1-5 de 100
Página xii
... paper with a film obtained from an intimate mixture of bichromate of ammonia and albumen . This coating is dried by heat , and exposed to the sun in a frame covered by a glass positive . The picture appears in a yellow - brown tint ...
... paper with a film obtained from an intimate mixture of bichromate of ammonia and albumen . This coating is dried by heat , and exposed to the sun in a frame covered by a glass positive . The picture appears in a yellow - brown tint ...
Página 37
... paper as are required are then taken in the usual way . The introduction of this method has greatly lessened the cost of reducing the plans , and also saves an immense quantity of time and labor . The six - inch map is en- graved in ...
... paper as are required are then taken in the usual way . The introduction of this method has greatly lessened the cost of reducing the plans , and also saves an immense quantity of time and labor . The six - inch map is en- graved in ...
Página 41
... paper was read before the Institution of Mechanical Engi- neers , London , by Mr. W. A. Fairbairn : This construction of axle - box has for its object the introduction of an elastic cushion or spring of vulcanized india - rubber between ...
... paper was read before the Institution of Mechanical Engi- neers , London , by Mr. W. A. Fairbairn : This construction of axle - box has for its object the introduction of an elastic cushion or spring of vulcanized india - rubber between ...
Página 48
... paper on the above subject , read before the Society of Arts , London , May 18th , 1859 , by B. Fothergill , Esq . , the author stated that his object was to lay before the Society the results of a series of experiments which he had ...
... paper on the above subject , read before the Society of Arts , London , May 18th , 1859 , by B. Fothergill , Esq . , the author stated that his object was to lay before the Society the results of a series of experiments which he had ...
Página 67
... paper . The continents and islands are made of turf , the sea is gravel , and the boundary is a border of box at particular places on this novel ocean of gravel . Posts are set up , indicating trade - winds , currents , etc.— London ...
... paper . The continents and islands are made of turf , the sea is gravel , and the boundary is a border of box at particular places on this novel ocean of gravel . Posts are set up , indicating trade - winds , currents , etc.— London ...
Palavras e frases frequentes
action alloys alumina ammonia amount animal animalcules apparatus appear atmosphere axle body bones breccia carbonic acid cast iron cause cellulose cent chemical chloride coal color containing copper cylinder decomposition deposits depth diameter earth effect electric engine existence experiments fact feet fibres fluid formation fossil furnace fusel oil geological glacier greensand Hadrosaurus heat hundred hyæna hydrogen inches increased less light lime limestone liquid magnesia mass matter metal miles minute motion nature nearly nitric acid observed obtained octahedron odor ordinary organic oxide oxygen paper parchment passing peroxide phosphorescent phosphorus plants plate plough portion potash pounds present pressure produced Prof proportion quantity reäction recently rocks side silica Silurian soda soil solution species specimens steam steel strata substance sulphate sulphuric acid surface temperature thick tion tons tube vegetable vessel weight wheel wire wood zinc
Passagens conhecidas
Página 414 - 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 277 - A glacier is an imperfect fluid, or viscous body, which is urged down slopes of certain inclination by the mutual pressure of its parts.
Página 312 - ... the species. If a dry season be gradually prolonged, the large mammal will suffer from the drought sooner than the small one ; if such alteration of climate affect the quantity of vegetable food, the bulky herbivore will first feel the effects of stinted nourishment...
Página 312 - ... of any gradual diminution of the size of such species, but is the result of circumstances, which may be illustrated by the fable of the ' Oak and the Reed ; ' the smaller and feebler animals have bent and accommodated themselves to changes which have destroyed the larger species.
Página 406 - The Geology of Pennsylvania. A Government survey, with a general view of the Geology of the United States, Essays on the Coal Formation and its Fossils, and a description of the Coal Fields of North America and Great Britain.
Página 311 - ... species has to maintain against the surrounding agencies that are ever tending to dissolve the vital bond and subjugate the living matter to the ordinary chemical and physical forces.
Página 326 - The case is different with the other two forms of implements, " of which numerous specimens were exhibited ; all indisputably worked by " the hand of man, and not indebted for their shape to any natural " configuration or peculiar fracture of the flint. They present no analogy in " form to the well-known implements of the so-called Celtic or stone period, " which, moreover, have for the most part some portion, if not the whole, of " their surface ground or polished, and are frequently made from other...
Página 286 - When the nature of the sediments is such as to generate great amounts of elastic fluids by their fusion, earthquakes and volcanic eruptions may result, and these — other things being equal — will be most likely to occur under the more recent formation." (Canadian Journal, May 1858, vol. iii. p. 207.) The same views are insisted upon in a paper " On Some Points in Chemical Geology