year there were 7,177 appli- 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… … HOWL AMD'S DISINTEGRATING RIFFLES. ) 1882 SCIENTIFIC AMERICAN, INC
Upper · Secured · Patents · Attached · Patented · Formed · Scientific American · Iron · Salicylic acid · Trade catalogs · Sewing machine · Accompanying engraving · Side bars · Lower ends · Cast Iron · Horse power · Cubic feet
Internet Archive · Public domain (published before 1931). Free to use for anything.