The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка 40
... coal is on the average utilized by steam engines . The author , Mr. Richard Eaton , of Nottingham , England , then discusses the practical difficulties encountered in the effort to sub- stitute heated air for steam , the principal of ...
... coal is on the average utilized by steam engines . The author , Mr. Richard Eaton , of Nottingham , England , then discusses the practical difficulties encountered in the effort to sub- stitute heated air for steam , the principal of ...
Сторінка 41
... coal consumed . The radiating surfaces of the cylinder - pipes were reclothed , and the feed water heated by the exhaust steam . Instead of exposing the air - pipe to the direct heat of the furnace , as in the former case , the air ...
... coal consumed . The radiating surfaces of the cylinder - pipes were reclothed , and the feed water heated by the exhaust steam . Instead of exposing the air - pipe to the direct heat of the furnace , as in the former case , the air ...
Сторінка 45
... coal , the loss is the same whether going up or down grade . Among some of the advan- tages claimed for this method of heating railroad cars are the following : First , its economy ; second , its safety ; and third , its comfort ...
... coal , the loss is the same whether going up or down grade . Among some of the advan- tages claimed for this method of heating railroad cars are the following : First , its economy ; second , its safety ; and third , its comfort ...
Сторінка 60
... coal mines and works of a similar nature , and the feasibility or otherwise of connecting England and France by a tunnel can be demonstrated . CANALS . The great ship canal which is to connect Amsterdam with the North Sea is now once ...
... coal mines and works of a similar nature , and the feasibility or otherwise of connecting England and France by a tunnel can be demonstrated . CANALS . The great ship canal which is to connect Amsterdam with the North Sea is now once ...
Сторінка 62
... coal . The dif- ficulty of keeping up the banks of the canal , exposed as they will be to the wash of the steamers , and to a surface often agitated by the wind , is a more serious matter , but one which does not enter into the present ...
... coal . The dif- ficulty of keeping up the banks of the canal , exposed as they will be to the wash of the steamers , and to a surface often agitated by the wind , is a more serious matter , but one which does not enter into the present ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
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Сторінка 269 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Сторінка i - 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.
Сторінка 136 - It consists in subjecting the vapours of volatile liquids to the action of concentrated sunlight, or to the concentrated beam of the electric light.