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Scientific American, Vol. 90, No. 17 (1904) (1904)
leaf 8
elec- silver detected. These showed only 0.14 ounce and 3.63 per cent of lead. In these cases, however, the tric plant at Lowell, Mass. It weighs nearly four tons, is of 5,250,000 candle-power, and projects a beam of 0.92 ounce per ton respectively.; In two other samples small amount of ore… … THE GREATEST OF PIPE ORGANS. © 1904 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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