than the engraving. For further information address cessive weights from hotter than the shell, should be considered, or the increased the patentee, P. Riordan, Arsenal, Washington, D. C. forty pounds upwards, H circumference of that part of the shell above the water from Patented through the… … if a boiler of certain dimensions, made of quarter-inch iron, does not leak. It is not the pressure of the steam which is For example, a cylindrical boiler, without tubes or flues, should burst, make the nextone to take iis place of iron half an the cause of either the leaks, rupture, or explosicn,…
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