The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Результати 6-10 із 79
Сторінка 19
... action of moving the handle sets free a spring , and the handle is locked , and cannot be put in its original position until the spring or lock is opened , which is done by means of a key in the posses- sion of the guard . No electrical ...
... action of moving the handle sets free a spring , and the handle is locked , and cannot be put in its original position until the spring or lock is opened , which is done by means of a key in the posses- sion of the guard . No electrical ...
Сторінка 24
... action . I would , there- fore , venture to recommend , that should any one desire to test the correctness of the principles here stated , he should select a car- riage known to be most subject to oscillation , and place under it 4 ...
... action . I would , there- fore , venture to recommend , that should any one desire to test the correctness of the principles here stated , he should select a car- riage known to be most subject to oscillation , and place under it 4 ...
Сторінка 28
... action of frost , they make less noise . SLIDING OF CAR - WHEELS . An experiment has been made at Munich for the purpose of determining if a railway - carriage wheel rolls regularly without sliding , so that by recording the number of ...
... action of frost , they make less noise . SLIDING OF CAR - WHEELS . An experiment has been made at Munich for the purpose of determining if a railway - carriage wheel rolls regularly without sliding , so that by recording the number of ...
Сторінка 29
... action of car - wheels . Forming the steel slab with grooves , into which the iron would dovetail when the pile was rolled into a rail , has been quite successful . The greater part of some 500 tons of such rails , made in this country ...
... action of car - wheels . Forming the steel slab with grooves , into which the iron would dovetail when the pile was rolled into a rail , has been quite successful . The greater part of some 500 tons of such rails , made in this country ...
Сторінка 32
... action of weight upon it , as the passage over it of heavy trains , is to grip the iron more and more firmly , until the basc and the cap become as firmly united as if they were a single piece of metal . Over the experi- mental rails ...
... action of weight upon it , as the passage over it of heavy trains , is to grip the iron more and more firmly , until the basc and the cap become as firmly united as if they were a single piece of metal . Over the experi- mental rails ...
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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
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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.