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Scientific American, Vol. 45, No. 21 (November 1881) (1881)

leaf 7

An illustration from Scientific American, Vol. 45, No. 21 (November 1881), 1881, leaf 7
leeve on the standard. Each folding leaf is be determined by the centrifugal force required to dispose In this knife there are no pivots in the blades, which in provided with a spring clip for holding books or papers. of the juices extracted by the pressure due to the spiral ordinary knives become… … IMPROVED POCKET KNIFE. acted upon by sulphurous acid, and as, on the contrary, BURGESS' CENTRIFUGAL EXTRACTOR. arsenic acid is reduced to the state of arsenious acid by this pushed out ready for use, and when worn out or broken can substance, the writer expects that these reactions will be flange…

Patented · Patents · Iron · Improved · Boiler · Sulphurous acid · Edison · Nicol prism · Insane persons · Black sand · Small quantity · Steam boiler · Pocket book · Upper surface · Trade catalogs · Electric lighting

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