The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Tom 44M. Salmon, 1846 |
Z wnętrza książki
Wyniki 1 - 5 z 72
Strona 9
... solution of nitrate of silver , and placing a globule of mercury on the glass , equidistant from the poles of the magnet - the revived silver shoots out in all directions , in a very pleasing arborescent form ; but it maintains in a ...
... solution of nitrate of silver , and placing a globule of mercury on the glass , equidistant from the poles of the magnet - the revived silver shoots out in all directions , in a very pleasing arborescent form ; but it maintains in a ...
Strona 39
... solution leads is very complex , it may be worth while to point out a much briefer method of investigation - one , also , which leads to a much less laborious calculation . Such problems as these may furnish useful exercises for the ...
... solution leads is very complex , it may be worth while to point out a much briefer method of investigation - one , also , which leads to a much less laborious calculation . Such problems as these may furnish useful exercises for the ...
Strona 40
... solution , we have cos AD B = r2 + u2 −b2 r - b cos ( a - 0 ) ( 3 ) , 2 ru r2-2br cos ( a − 0 ) + b2 r2 + v2 - c2 cos ADC r - c cos ( a + 0 ) ( 4 ) , = 2 rv √r2 - 2 cr cos ( a + 0 ) + c2 And hence , r - b cos ( a - 0 ) √r2 - 2 br ...
... solution , we have cos AD B = r2 + u2 −b2 r - b cos ( a - 0 ) ( 3 ) , 2 ru r2-2br cos ( a − 0 ) + b2 r2 + v2 - c2 cos ADC r - c cos ( a + 0 ) ( 4 ) , = 2 rv √r2 - 2 cr cos ( a + 0 ) + c2 And hence , r - b cos ( a - 0 ) √r2 - 2 br ...
Strona 52
... solution , Professor Young , of Belfast , is unquestionably the most elaborate and complete . His 66 Theory of Equations " is a classical , and will long continue to be the standard book on the subject . The first edition was published ...
... solution , Professor Young , of Belfast , is unquestionably the most elaborate and complete . His 66 Theory of Equations " is a classical , and will long continue to be the standard book on the subject . The first edition was published ...
Strona 60
... solutions at a low temperature have for upwards of thirty years been exemplified by the use of the vacuum pan in refineries of sugar . The products of sugar are greater , from a given weight of raw material , and the quality better ...
... solutions at a low temperature have for upwards of thirty years been exemplified by the use of the vacuum pan in refineries of sugar . The products of sugar are greater , from a given weight of raw material , and the quality better ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
action angle apparatus appears applied April atmospheric atmospheric railways blades boiler broad gauge Canopus carriages centre claim colour construction copper course crucible curve cylinder diameter dihedral angle effect employed equal equation Euclid experiments fact feet fire Fleet-street force Galignani gauge geometry give given grains gutta percha heat horses power hour improvements invention iron Jopling length light London long-boiler machine machinery Magazine magnetic manufacture March mathematical means mechanical ment Messrs metal method minute MISCELLANEA mode motion narrow gauge obtained opinion oxide paddle-wheels patent piece pipe piston plane plate practical pressure principle produced pump purpose quantity racter railway red heat remarks render revolutions per minute screw propeller Septenary shaft ship side six months slide solution speed square inch steam engine steamer stroke substance surface tion tons tube valve velocity vessel weight wheel wire
Popularne fragmenty
Strona 290 - For he who fights and runs away May live to fight another day ; But he who is in battle slain Can never rise and fight again.
Strona 309 - If a straight line be divided into two equal parts, and also into two unequal parts; the rectangle contained by the unequal parts, together with the square of the line between the points of section, is equal to the square of half the line.
Strona 485 - If two straight lines meeting one another be parallel to two others that meet one another, though not in the same plane with the first two ; the first two and the other two shall contain equal angles.
Strona 496 - ... along with from one to three per cent, of their weight of carburet of manganese ; and exposing the crucible to the proper heat for melting the materials which are, when fluid, to be poured into an ingot mould in the usual manner...
Strona 126 - All matter appears to be subject to the magnetic force as universally as it is to the gravitating, the electric and the chemical or cohesive forces...
Strona 156 - That, in order to complete the general chain of narrow gauge communication from the north of England to the southern coast, any suitable measure should be promoted to form a narrow gauge link from Oxford to Reading, and thence to Basingstoke, or by any shorter route connecting the proposed Rugby and Oxford line with the South- Western Railway.
Strona 136 - If it fall obliquely, it will be reflected obliquely in the opposite direction ; and in all cases the angle of incidence will be equal to the angle of reflection. This is the fundamental law of Catoptrics, or reflected light.
Strona 303 - with respect to this objection, the question is somewhat new*. Some things are obvious as soon as they are made public ; of others, the scientific world may possess itself by analysis ; some inventions almost baffle discovery. But to entitle a man to a patent, the invention must be new to the world.
Strona 124 - The following is the order in which the several divisions of the subject treated of in this section of the author's researches in electricity, succeed one another: — 1. Apparatus required. 2. Action of magnets on heavy glass. 3. Action of magnets on other substances acting magnetically on light. 4. Action of magnets on the metals generally. 5. Action of magnets on the magnetic metals and their compounds. 6. Action of magnets on air and gases. 7. General considerations. In giving an account of the...
Strona 301 - The reason wherefore such a privilege is good in law, is, because the inventor bringeth to and for the commonwealth a new manufacture, by his invention, costs, and charges, and, therefore, it is reason that he should have a privilege for his reward, (and the encouragement of others in the like, ) for a convenient time.