The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 13Gould, Kendall, and Lincoln, 1862 |
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Pagina xiii
... regard to its connection with agriculture . When it is considered how much loss is annually caused in this country by the ravages of the Hessian fly , the army and cotton worms , the curculio , the grass- hopper , and numerous other ...
... regard to its connection with agriculture . When it is considered how much loss is annually caused in this country by the ravages of the Hessian fly , the army and cotton worms , the curculio , the grass- hopper , and numerous other ...
Pagina 23
... regard to steam , I am quite sure every per- son here present must be aware of the very great advantages of that source of power , that immense power we see daily before us ; and if we look back to the days since James Watt lived , to ...
... regard to steam , I am quite sure every per- son here present must be aware of the very great advantages of that source of power , that immense power we see daily before us ; and if we look back to the days since James Watt lived , to ...
Pagina 24
... regard to the steam engine , the locomotive as well as the condensing engine , I am inclined to think that we are not by any means arrived at the full economy of the production of steam in this country and all other countries . Instead ...
... regard to the steam engine , the locomotive as well as the condensing engine , I am inclined to think that we are not by any means arrived at the full economy of the production of steam in this country and all other countries . Instead ...
Pagina 36
... regard to streng to wire or wire rope or to fine chains , it is a mistal wire possesses only half the strength which hard without any elasticity . But wire rope wi worthless ; very little work will make it brittle a before . It is ...
... regard to streng to wire or wire rope or to fine chains , it is a mistal wire possesses only half the strength which hard without any elasticity . But wire rope wi worthless ; very little work will make it brittle a before . It is ...
Pagina 40
... regard to stiff- ness , and are therefore constantly subjected to vibration , which must greatly limit their durability . The cables of the Niagara Bridge , on the other hand , are free from vibration , consequently will last as long as ...
... regard to stiff- ness , and are therefore constantly subjected to vibration , which must greatly limit their durability . The cables of the Niagara Bridge , on the other hand , are free from vibration , consequently will last as long as ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
Veelvoorkomende woorden en zinsdelen
action alkali American ammonia animal apparatus appears atmosphere bitumen body butyric acid carbonic acid chemical cloth coal colloid color comet condition contains crystalline deposits depth Diluvian discovery earth effect electricity engines existence experiments fact feet formation gases geological glass gutta percha heat hundred hydrogen inches increase iron known less light lignite liquid magnetic manufacture mass matter ment metal meteors miles mineral nature nitric acid nitrogen North observed obtained ordinary organic oxide oxygen ozone paper passed phenomena phosphoric acid plants plate portion pounds present pressure produced Prof Professor quantity R. I. Murchison rays recently remarkable rocks shells shot side silica Silurian soil solution species specimens spectrum steel strata substances sulphuric sulphuric acid surface temperature thickness tion tube vapor vegetable vessel weight wire wrought iron
Populaire passages
Pagina ix - I first entered this city, the whole of the machinery was executed by hand. There were neither planing, slotting, nor shaping machines, and, with the exception of very imperfect lathes and a few drills, the preparatory operations of construction were effected entirely by the hands of the workmen.
Pagina 150 - The result of this would be a state of universal rest and death, if the universe were finite and left to obey existing laws. But as no limit is known to the extent of matter, science points rather to an endless progress through an endless space, of action involving the transformation of potential energy through palpable motion into heat, than to a single finite mechanism, running down like a clock and stopping for ever. It is also impossible to conceive either the beginning or the continuance of...
Pagina 201 - The colloidal is, in fact, a dynamical state of matter; the crystalloidal being the statical condition. The colloid possesses Energia. It may be looked upon as the probable primary source of the force appearing in the phenomena of vitality.