EXPLOSION OF A ROLLING MILL BOILER IN POTTSVILLE PENNSYLVANIA. BY B. N. HARTWELL. AO BOILER EXPLOSION POTTSVILLE PA Fig. 1BOILER EXPLOSION IN POTTSVILLE PA —SIDE ELEVATION SHOWING COURSE OF FLAME AND HOT GASES., scientific american, 1881-07-16


EXPLOSION OF A ROLLING MILL BOILER IN POTTSVILLE PENNSYLVANIA. BY B. N. HARTWELL. AO BOILER EXPLOSION POTTSVILLE PA Fig. 1BOILER EXPLOSION IN POTTSVILLE PA —SIDE ELEVATION SHOWING COURSE OF FLAME AND HOT GASES., scientific american, 1881-07-16


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