Van Nostrand's Engineering Magazine, 34권D. Van Nostrand, 1886 |
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7 페이지
... considered , this energy rejected can be made as small an amount as we please . 3d . In flowing over the solid surfaces of the machine there is what is termed fluid or skin friction . This is really a ( v1 — v2 ) 2 - 2g For example , if ...
... considered , this energy rejected can be made as small an amount as we please . 3d . In flowing over the solid surfaces of the machine there is what is termed fluid or skin friction . This is really a ( v1 — v2 ) 2 - 2g For example , if ...
8 페이지
... considering the more complex case of turbines , it will be convenient to examine one or two simpler cases in which these principles are applied . Consider first , the old form of under- shot water - wheel . The water issuing under a ...
... considering the more complex case of turbines , it will be convenient to examine one or two simpler cases in which these principles are applied . Consider first , the old form of under- shot water - wheel . The water issuing under a ...
33 페이지
... considering the cessary of life with which in various ways air as an absorbent of aqueous vapor , the lecturers who follow after me will the minor constituents may be entirely have to deal , and I must , moreover , limit disregarded ...
... considering the cessary of life with which in various ways air as an absorbent of aqueous vapor , the lecturers who follow after me will the minor constituents may be entirely have to deal , and I must , moreover , limit disregarded ...
46 페이지
... considers that his illustration of what may be done with simple means , by skill- ful and capable hands , may not be devoid . of value to the cause of science . By proceeding in this way it is not necessary to wait for the visible ...
... considers that his illustration of what may be done with simple means , by skill- ful and capable hands , may not be devoid . of value to the cause of science . By proceeding in this way it is not necessary to wait for the visible ...
50 페이지
... Considered according to plausible hypothesis , by assuming that any hypothesis , it is impossible to escape " the maximum displacement of the mole- the conclusion that the æther is under cules of the æther in the transmission great ...
... Considered according to plausible hypothesis , by assuming that any hypothesis , it is impossible to escape " the maximum displacement of the mole- the conclusion that the æther is under cules of the æther in the transmission great ...
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adopted æther amount angle Antwerp arch armor astronomical average battery boiler carbon carbonic acid cause cement cent charge coal constant construction corrosion cost cubic cubic foot curve cylinder depth diameter discharge distance dynamo effect electric electromotive force energy engine equal equation estimated experiments extrados feet formula fuel gases give gravity Greenwich mean guns heat helicoid hour hour angle inches increase iron lamps length less light long tons material matter means ment meridian meters method mild steel miles motor Navy paper passing pipe piston plates pounds practical present pressure Prime Meridian quantity railway reservoir resistance river sewage sewer gas sewers ships short tons soffit specific heat speed square steam supply surface tained temperature tion tons tramway turbine turret velocity vessels voussoirs weight wheel
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309 페이지 - ... or ever the silver cord be loosed, or the golden bowl be broken, or the pitcher be broken at the fountain, or the wheel broken at the cistern. Then shall the dust return to the earth as it was: and the spirit shall return unto God who gave it.
33 페이지 - All the rivers run into the sea; yet the sea is not full; unto the place from whence the rivers come, thither they return again.
247 페이지 - But, whatever criticisms might be justified by the ambitious title of "the Association for the Reform and Codification of the Laws of Nations...
310 페이지 - I'll show you sir. It is an automa runs under water with a snug nose and has a nimble tail, made like an auger, with which tail she wriggles betwixt the costs (ribs) of a ship, and sinks it straight.
75 페이지 - On the whole we may fairly conclude that, whilst there is some evidence of a tidal yielding of the earth's mass, that yielding is certainly small, and the effective rigidity is at least as great as that of steel.
310 페이지 - They have likewise discovered two lesser stars, or satellites, which revolve about Mars, whereof the innermost is distant from the center of the primary planet exactly three of his diameters, and the outermost five; the former revolves in the space of ten hours, and the latter in twenty-one and a half...
437 페이지 - ELECTRO-DEPOSITION : A Practical Treatise on the Electrolysis of Gold, Silver, Copper, Nickel, and other Metals and Alloys. With descriptions of Voltaic Batteries, Magneto and Dynamo-Electric Machines, Thermopiles, and of the Materials and Processes used in every Department of the Art, and several Chapters on Electro-Metallurgy. By ALEXANDER WATT, Author of " Electro-Metallurgy,
256 페이지 - Engineers, The American Society of Mechanical Engineers, and the American Institute of Electrical Engineers.
188 페이지 - That the conference expresses the hope that, as soon as may be practicable, the astronomical and nautical days will be arranged everywhere to begin at mean midnight 7.
414 페이지 - October, 1884, for the purpose of discussing, and, if possible, fixing upon a meridian proper to be employed as a common zero of longitude and standard of time-reckoning throughout the whole world...