An Essay on the Boilers of Steam Engines: Their Calculation, Construction, and Management, with a View to the Saving of FuelJ. Weale, 1839 - 264页 |
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常见术语和短语
apparatus boiler bottom BOILER IN FEET boiling Boulton and Watt burning capacity cause chimney circular inch cleaning coal consequently considerable consumption convex copper cubic feet cubic foot cubic yards cylindrical boilers cylindrical measure diameter dimensions Divisor draught effective heating surface equal evaporating power example experiments explosion fact factory feet per horse fire fire-grate flame frequently furnace gauge point half horse engine horse power improvements incrustation inside flue invention iron kind Lancashire latter least LENGTH OF BOILER Liverpool locomotive machine Manchester marine boilers mechanics metal nearly observed ordinary patent portion practice pressure prevent principle proportion purpose quantity of water railway riveting machine rule saving fuel sediment shewn side flues side plates slide rule smoke square feet square root square yards steam boiler steam chamber steam engine steam room sufficient suppose temperature tion Tredgold tube usually valve vessel wagon boiler water surface
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第220页 - ... and lift a ship of war like a bauble in the air. It can embroider muslin, and forge anchors, — cut steel into ribands, and impel loaded vessels against the fury of the winds and waves.
第236页 - From what we have stated above as the common practice in the factory districts, we may conclude that the principal cause of boilers becoming unduly heated is undoubtedly, in a majority of cases, owing to the interposition of indurated, or encrusted earthy- matter, between the heated iron and the water, and the manner in which those circumstances operate in producing an explosion appears to be as follows: we have before shown, (Art.
第59页 - ... have been re-made, and mended over and over again, since the celebrated race at Rainhill — a fact which goes far to prove that the principle of this engine has not been so very much improved upon, except that it is not so well calculated for burning coke as coal.