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Scientific American, Vol. 51, No. 8 (August 1884) (1884)

leaf 3

An illustration from Scientific American, Vol. 51, No. 8 (August 1884), 1884, leaf 3
he bot- Placing the little wooden tom indicates the manner in which these reservoir attach- blocks in their proper places ments are shaped to feed the ink to the point of the pen. in the maps forms a very in- The point is rounded or bulged to a half ball shape, allowing teresting puzzle for a child… … tus as made for use in the HEWITT'S SEMICIRCULAR POINTED PENS. NORRIS'S GEOGRAPHICAL FTTZZLE AND GAHES.-Fig. 1, home circle. Cut No. 3 is a perspective view of the blocks. in any position, while the slit parts never form cutting edges, with sulphuric acid. The distillation is conducted without Any…

Patented · Patents · Pivoted · Pipe · Iron · Scientific American · Boiler · Novel features · Address munn · Salicylic acid · Trade catalogs · Wrought iron · Post mortem · Sewing machine · Steam engine · Sulphuric acid

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