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 46
Сторінка 46
... wire cable suspension bridge , 1,600 feet between the towers , 135 feet above the water , will be , in the opinion of the board , a durable structure , of a strength sufficient to withstand six times the strain to which it can under any ...
... wire cable suspension bridge , 1,600 feet between the towers , 135 feet above the water , will be , in the opinion of the board , a durable structure , of a strength sufficient to withstand six times the strain to which it can under any ...
Сторінка 53
... wire suspension bridge , is to have a span of 1,600 feet between the towers , 135 feet above the water ; it is calculated to bear six times the strain which can , under any circumstances , be brought to bear on it . Bridge over the ...
... wire suspension bridge , is to have a span of 1,600 feet between the towers , 135 feet above the water ; it is calculated to bear six times the strain which can , under any circumstances , be brought to bear on it . Bridge over the ...
Сторінка 56
... wires , two in num- ber , were of copper , one an insulated wire to convey the elec- tricity to the mass of powder , and the other a plain wire for the return current ; one connected with the positive , and the other with the negative ...
... wires , two in num- ber , were of copper , one an insulated wire to convey the elec- tricity to the mass of powder , and the other a plain wire for the return current ; one connected with the positive , and the other with the negative ...
Сторінка 76
... wire ropes , where winding is car- ried on in the upcast shaft , especially where the shaft is damp . If the conditions are unfavorable for the use of a furnace , such as shallow shafts and heavy resistances to be overcome , the furnace ...
... wire ropes , where winding is car- ried on in the upcast shaft , especially where the shaft is damp . If the conditions are unfavorable for the use of a furnace , such as shallow shafts and heavy resistances to be overcome , the furnace ...
Сторінка 86
... a complicated system of wooden rods , wires , and squares , running under the floor from the key - board up to the gallery . The machinery , under the old system , was subject to great friction 86 ANNUAL OF SCIENTIFIC DISCOVERY .
... a complicated system of wooden rods , wires , and squares , running under the floor from the key - board up to the gallery . The machinery , under the old system , was subject to great friction 86 ANNUAL OF SCIENTIFIC DISCOVERY .
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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.