The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Tom 44M. Salmon, 1846 |
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Strona 5
... feet . = 240 04 square feet . When this boiler fully supplied its engines with steam , at 60 lbs . pressure above the atmosphere , it consumed 114 lbs . of gas coke , in evaporating the same volume of water as was done by 868 lbs . of ...
... feet . = 240 04 square feet . When this boiler fully supplied its engines with steam , at 60 lbs . pressure above the atmosphere , it consumed 114 lbs . of gas coke , in evaporating the same volume of water as was done by 868 lbs . of ...
Strona 28
... feet . We must not omit to mention that , as the axial machines promise to be of practical value , Professor Page was desirous of secur- ing them by patent , while he gave to the public the galvanometer , & c . But , as the following ...
... feet . We must not omit to mention that , as the axial machines promise to be of practical value , Professor Page was desirous of secur- ing them by patent , while he gave to the public the galvanometer , & c . But , as the following ...
Strona 36
... feet each , from centre to centre of pier . The trunk is of wood , and 1140 feet long , 14 feet wide at bottom , 163 feet on top , the sides 8 feet deep . These , as well as the bottom , are composed of a double course of 24 inch white ...
... feet each , from centre to centre of pier . The trunk is of wood , and 1140 feet long , 14 feet wide at bottom , 163 feet on top , the sides 8 feet deep . These , as well as the bottom , are composed of a double course of 24 inch white ...
Strona 37
... feet long and 16 × 6 inches ; the space between two adjoining is 4 inches . It will be observed , that all parts of ... feet above the level of the side - walk and tow - path , and measure 3 x 5 feet on top , and 4 x 6 feet at base . The ...
... feet long and 16 × 6 inches ; the space between two adjoining is 4 inches . It will be observed , that all parts of ... feet above the level of the side - walk and tow - path , and measure 3 x 5 feet on top , and 4 x 6 feet at base . The ...
Strona 38
... feet square , which are held down by the foundations , upon which the weight of 700 perches of masonry rests . The ... feet , which has been in the aqueduct ever since the opening . The depth contemplated was 33 feet ; a greater depth is ...
... feet square , which are held down by the foundations , upon which the weight of 700 perches of masonry rests . The ... feet , which has been in the aqueduct ever since the opening . The depth contemplated was 33 feet ; a greater depth is ...
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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.