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Scientific American, Vol. 46, No. 20 (1882) (1882)
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ar there were 7,177 appli- 8 NEW DISINTEGRATING RIFFLES. cations for patents in Germany; 4,339 were granted. This is most important feature, considering the amount that so Notwithstanding all the modern improvements in mining escapes, and that by any other process fails to be secured. the largest… … HOWLAND’S DISINTEGRATING RIFFLES.. © 1882 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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