Handbook of the steam-engine. Containing all the rules required for the right construction and management of engines of every class, with the easy arithmetical solution of those rules. Constituting a key to the 'Catechism of the steam-engine.' (1874)
Bourne, John · New York, D. Appleton · leaf 474
shot would have been prevented20 458 STEAM NAVIGATION. from penetrating them. But two facts were quite well known.first, that a steel punch may be made to pierce an iron plate how-ever thick, if the diameter of the punch be equal to the thick-ness of the iron; and, secondly, that by increasing the… … BODY PLAN OF H. M. S. WARRIOR. gun requisite to produce it, are of perfectly simple computation.The punching pressure is about the same as that required to tearasunder a bar of iron of the same sectional area as the surfacecut by the punch, which is about 60,000 lbs. per square inch:and this…
Steam-engines
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