Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 303
Let it be supposed that there are taken, for examples, two plaincylindrical boilers, the first 42 ft. X 4 ft. diameter, and the second22 ft. X 4 ft. diameter; each of these boilers are to have 4 ft. X 4ft. = 16 square feet of grate, and the settings are to be so made asto take off 1 ft. at each…
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