The Mechanic's Magazine, Museum, Register, Journal and Gazette, Том 28Robertson, 1838 |
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acid air pump Angus Robertson apparatus appears applied boiler burned calcination carbonic carbonic acid carriages carronade cause common condensers construction copper Country Teacher cylinder diameter effect ELECTRIC TELEGRAPH engines equal essential oil experiments fat lime feet fire flues fuel furnace Galignani galvanic give heat hide hot water hydraulic lime improvements inches inches of mercury invention inventor iron labour leather length less London machine machinery Magazine manner manufacture mastic means Mechanics ment metal mortar motion Nautilus Obernai obtained oxide pass patent pieces pipes piston plate portion practical present procyon produced purpose quantity Railway render result rocket sand Senonches shells six months slaked slaking lime slide-valve Society steam steam-engine stove substances sufficient surface synodic period tanning telegraph temperature tical tion vacuum valve vessel weight wheel wire wood
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Стр. 442 - ... it appears that the four fundamental rules in arithmetic are very readily worked, and, to use the author's own words, " without charging the memory, disturbing the mind, or exposing the operations to any uncertainty.
Стр. 331 - I have, however, contemplated this important agent as a probable means of establishing telegraphic communication with as much rapidity, and perhaps less expense, than any hitherto employed. I do not know how far experiment has determined galvanic action to be communicated by means of wires ; but there is no reason to suppose it confined as to limits, certainly not as to time. Now by means of apparatus fixed at certain distances, as telegraphic stations; by tubes for the decomposition of water and...
Стр. 288 - Patent granted to THOMAS HANCOCK, of Goswell Mews, in the County of Middlesex, Patent Waterproof Cloth Manufacturer, for Improvements in the Method of Manufacturing or Preparing Caoutchouc, either alone or in Combination with other Substances.
Стр. 462 - Surrey, engineer, for an invention of an improved method or methods of generating steam power, and applying the same to ploughing, harrowing, and other agricultural purposes, which method or methods is or are also applicable to other purposes to which the power of steam is or may be applied.
Стр. 331 - VVV) signifying one, two, three, &c., and by reversing thus (д); examples of both these varieti.es are seen in the diagram. The single numbers are separated by short, and the whole numbers by long intervals. To illustrate by the diagram, the word "successful...
Стр. 459 - X 15 =* 13572 pounds pressure upon the belt. A belt adheres much better and is less liable to slip when it runs at a quick speed than at a slow speed. Therefore, it is much better to gear a mill with small drums and run them at a high velocity, than with large drums, and to run them slower...
Стр. 385 - ... full of the hot air or smoke from the fire circulating in it, and rendering it every where of as uniform temperature as if it were full of hot water. This circulation takes place, because the air in the front chamber around the fire-box, and which receives as a mixture the red-hot air issuing from the fire, is hotter, and therefore specifically lighter than the air in the posterior...
Стр. 250 - Surrey, gardener, for his invention of improved apparatus for heating churches, warehouses, shops, factories, hot-houses, carriages, and other places requiring artificial heat, and improved fuel to be used therewith.
Стр. 271 - Church Lane, Whitechapel, in the county of Middlesex, Engineer, for certain improvements in, and additions to, his former invention, known by the title of a lamp applicable to the burning of substances, not hitherto usually burned in such vessels or apparatus...
Стр. 331 - Set 2 beneath it. Then comes one point likewise separated by a short interval. Set 1 beneath it. Then come four points. Set 4 beneath it. But the interval in this case is a long interval, consequently the three numbers comprise the whole number 214. So proceed with the rest until the numbers are all set down. Then by referring to the Telegraphic Dictionary, the words corresponding to the numbers are found, and the communication read. Thus it will be seen that by means of the changes upon tin characters,...