A manual of the mechanics of engineering and of the construction of machines. Designed as a text-book for technical schools and colleges, and for the use of engineers, architects, etc. (1878)
Weisbach, Julius Ludwig, 1806-1871, Du Bois, A. Jay (Augustus Jay), 1849-1915, Buel, Richard H. (Richard Hooker), b. 1842 · New York. J. Wiley & Sons, 1878- · leaf 248
water soon becomes muddy, and it is necessaryto clean out the boiler from time to time. In order to pre-vent this mud from collecting in the boiler, we have theblow-off cock, which opens a pipe reaching nearly to thebottom and expanded at its lower end. If this cock isopened after the firing has… … sea water. The constituents of such water, such as lime,salt, etc., are especially injurious and form upon the inte-rior of the boiler a hard crust called scale. This stonycrust not only prevents the passage of heat, but acts toweaken the boiler, since the portions thus covered may beeasily made…
Mechanics, Applied · Mechanical engineering
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