. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . iron bands or the mouth of the gun is a pro-longation, called the masselotte, or lump,the use of which will soon be moulds, after being baked at ahigh temperature, so as to dry them asmuch as possible, are fixed in their places, the breecli being downward. Between tlie tap-hole iand the moulds, canals are made which convey the liquid bronze into each mould ; and above isa railway a 6, with a car K, containiug a capstan, by means of
. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . iron bands or the mouth of the gun is a pro-longation, called the masselotte, or lump,the use of which will soon be moulds, after being baked at ahigh temperature, so as to dry them asmuch as possible, are fixed in their places, the breecli being downward. Between tlie tap-hole iand the moulds, canals are made which convey the liquid bronze into each mould ; and above isa railway a 6, with a car K, containiug a capstan, by means of which the moulds, when filled,can be lifted out and carried away. Moulding sand, so well adapted to the moulding of cast iron and other metals, has been sub-stituted for the earth with which the moulds are made, but never with success, as the walls of thesand mould are too compact and too impervious to gases. Now, immediately after thé casting ofbronze, the metal disengages numerous gaseous bubbles, which pass through the porous wallsof the mould, and present less resistance than the high column of melted metal : while in the sand.
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Keywords: ., bookcentury1800, bookdecade1870, bookidsp, booksubjectengineering
