inkled I send you a diagram of a most singular atmospheric I think it is better that the exact amount of danger attendant with alcohol, ether, or other solvents of gun cotton and then phenomenon witnessed here on the 30th ult. The display on any system maybe known, so that it maybe guarded pressed… … oils will give off an offensive odor. AS SEEN AT THE METEOR OF DECEMBER 30, 1880, Cutting Hard Steel with Sort Iron. SUNK CENTER, MINN. To the Editor of the Scientific American : To Prevent Clouding o! Mirrors by Moisture. About forty years ago, having often heard that hard steel refraction of tbe…
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