The industrial self-instructor and technical journal, المجلد 3 |
عبارات ومصطلحات مألوفة
acid alumina animal architect arrangement arrow ball beam BEECHAM'S BEECHAM'S PILLS Bessemer process blast furnace body bricks called carbon carbonic acid cementation process centre of gravity Channel Islands CHAPTER Chromic oxide chromium colour condition connected constituents construction cotton course cylinder described diagram direction drains Draughtsman drawing elastic elevation equal feeding flat force frame give given ground heat illustrated inches indigo indigotin iron joint length machine mass mechanical metal method motion moulded object obtained oxide parallel piece PILLS piston placed plane Plate CXLIII potash practical principle produced projection proportion Putty Powder reader right angles rollers secured shade shown side silage soda soil specific gravity square steam steam engine steel stone straight line stretchers substances surface Technical Journal term thickness tion triangle valve vertical wall weight window
مقاطع مشهورة
الصفحة 41 - ... it in a case of wood, or any other materials that transmit heat slowly; secondly, by surrounding it with steam or other heated bodies...
الصفحة 40 - The means of accomplishing these points did not immediately present themselves ; but early in 1765 it occurred to me, that if a communication were opened between a cylinder containing steam, and another vessel which was exhausted of air and other fluids, the steam, as an elastic fluid, would immediately rush into the empty vessel, and continue to do so until it had established an equilibrium ; and if that vessel were kept very cool by an injection or otherwise, more steam would continue to enter...
الصفحة 41 - In engines that are to be worked wholly or partially by condensation of steam, the steam is to be condensed in vessels distinct from the...
الصفحة 245 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
الصفحة 41 - I intend, in some cases, to apply a degree of cold, not capable of reducing the steam to water, but of contracting it considerably, so that the engines shall be worked by the alternate expansion and contraction of the steam. " Lastly, Instead of using water to render the piston or other parts of the engines air and steam-tight, I employ oils, wax, resinous bodies, fat of animals, quicksilver, and other metals, in their fluid state.
الصفحة 80 - Having made my single reciprocating engines very regular in their movements, I considered how to produce rotative motions from them in the best manner ; and amongst various schemes which were subjected to trial, or which passed through my mind, none appeared so likely to answer the purpose as the application of the crank, in the manner of the common turning lathe...