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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
brace rods pivoted to thence through the outlet. The speed of the screen must by the cover. the adjustable sleeve 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… … 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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