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 82
Сторінка xv
... method of observation , that it has enabled Mr. Lockyer and others to observe them right on the disc of the sun , an ... method of viewing the prominences , Zöllner has discovered a way of seeing them as a whole . His method will be ...
... method of observation , that it has enabled Mr. Lockyer and others to observe them right on the disc of the sun , an ... method of viewing the prominences , Zöllner has discovered a way of seeing them as a whole . His method will be ...
Сторінка xvii
... method of determining the time of first contact , by observing with a spectro- scope the gradual occultation of the bright lines of the chromo- sphere . This we owe to Prof. Young , of Dartmouth College , who formed one of Prof ...
... method of determining the time of first contact , by observing with a spectro- scope the gradual occultation of the bright lines of the chromo- sphere . This we owe to Prof. Young , of Dartmouth College , who formed one of Prof ...
Сторінка 28
... method is employed on wheels designed specially for passenger coaches , and prevents the entrance of stones , which , rattling within a wheel of so large diameter , become a source of much annoyance . " . WOODEN WHEELS . The directors ...
... method is employed on wheels designed specially for passenger coaches , and prevents the entrance of stones , which , rattling within a wheel of so large diameter , become a source of much annoyance . " . WOODEN WHEELS . The directors ...
Сторінка 32
... method of testing steel rails : 1st . A test ingot from each 5 - ton ladleful of liquid steel is hammered into a bar , and tested for mal- leability and hardness , and especially for toughness , by bending it double cold . In case any ...
... method of testing steel rails : 1st . A test ingot from each 5 - ton ladleful of liquid steel is hammered into a bar , and tested for mal- leability and hardness , and especially for toughness , by bending it double cold . In case any ...
Сторінка 34
... method adopted in making rails for the Eng- lish and Continental companies . There are but few of these railway administrations which , when inviting tenders for a supply of rail , do not specify distinctly that the top slab ...
... method adopted in making rails for the Eng- lish and Continental companies . There are but few of these railway administrations which , when inviting tenders for a supply of rail , do not specify distinctly that the top slab ...
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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.