Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 146
has been found to perform well, and is, in everyrespect, satisfactory. The tubes are of iron, 3inches in diameter, and 6 feet long. Length offurnace, 6 feet; number of tabes, 168. 2 engines.Consumption of coal per hour, about 6 cwt. Thepressure of stt am is about 5 lbs. on the squaremcn;… … 144 BOILERS. kind. It lias been found expedient to introduce a jet of steam into the chimney of this vessel toquicken the draught. The tubes are of brass, 3± inches in diameter, and the tube-plates are of iron.A galvanic action between the brass and the iron has been found to arise in some boilers,…
Mechanical engineering · Mechanics · Engineering
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