The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка vi
... minute , the speed of the engine is not perceptibly affected . " While we chronicle the great works in engineering , the improve- ments of the past year in making steel promise still greater achievements . The Bessemer process has ...
... minute , the speed of the engine is not perceptibly affected . " While we chronicle the great works in engineering , the improve- ments of the past year in making steel promise still greater achievements . The Bessemer process has ...
Сторінка xv
... minute changes of position in the bright line F , which receive a simple and natural explanation by referring them to proper motion in the glowing gas by which that line is produced , and which we see no other way of accounting for ...
... minute changes of position in the bright line F , which receive a simple and natural explanation by referring them to proper motion in the glowing gas by which that line is produced , and which we see no other way of accounting for ...
Сторінка xvii
... minute . Prof. Harkness , of Washington Observatory , observed at Des Moines the spectra of five protuberances , no two of which gave the same lines . In the corona spectrum he found no absorptive lines , and but one bright line ...
... minute . Prof. Harkness , of Washington Observatory , observed at Des Moines the spectra of five protuberances , no two of which gave the same lines . In the corona spectrum he found no absorptive lines , and but one bright line ...
Сторінка 55
... minute . The lift is not great , but for each foot of lift , the actual duty , irrespective of all losses of effect , is 133 horse - power . Engineering . - - - Inverted Siphon . An iron - pipe , 11 inches in diameter , and 8,800 feet ...
... minute . The lift is not great , but for each foot of lift , the actual duty , irrespective of all losses of effect , is 133 horse - power . Engineering . - - - Inverted Siphon . An iron - pipe , 11 inches in diameter , and 8,800 feet ...
Сторінка 76
... minute under the total resist- ances represented by 3 inch water - gauge , and an average excess of upcast temperature of 108 ° above the downcast , with a duty of 31 lbs . of coal per horse - power in the air estimated on the total ...
... minute under the total resist- ances represented by 3 inch water - gauge , and an average excess of upcast temperature of 108 ° above the downcast , with a duty of 31 lbs . of coal per horse - power in the air estimated on the total ...
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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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acetic acid action American ammonia animals apparatus appears atmosphere battery beds bridge cable carbon carbonic acid cause cent centimetres centre charcoal chemical chloride coal color Comptes Rendus connected containing copper corona cubic cubic metres cylinder depth diameter discovery dissolved eclipse effect electric engine eocene experiments fact feet fibre flame fossil French gases glass glycerine gun-cotton guns heat hydrochloric acid hydrogen inches Indian iron length light lime liquid magnet matter metal method metres miles miocene mixture nitric acid observations obtained ordinary oxide oxygen palladium paper passed placed plants plate platinum polariscope polarization potash precipitate present pressure produced Prof quantity railway rays River salt sandarac sodium solution spark species specific gravity spectrum steam steel rails substance sulphate sulphuric acid surface temperature thick tion tons tube tunnel vapor vibrations weight wire zinc zirconia
Популярні уривки
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.