n may than 250 lbs. to the square inch in hydrostatic pressure, and the sections being of cast iron, of a shape calculated to econ- be obtained by addressing the manufacturers as above. their peculiar form in curves, concentric as above noted, ob- omize space, to afiord a large proportion of… … closed, and meet to from gas, and the lo- BENSHAW'S PATENT SECTIONAL BOILEB. form the arch, as re- cality of th^ leak presented. On the upper side, however, and near these ends expansion. The manufacturers, Messrs. Dougherty & Broome, quickly found. are also screw connections, which communicate…
Patents · Iron · Improved · Asks · Sewing machine · Feet · Cubic feet · Centrifugal force · Scientific American · Square root · India rubber · Gas wells · Steam fire · Zodiacal light · American patent
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