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Scientific American, Vol. 62, No. 1 (1890) (1890)

leaf 4

An illustration from Scientific American, Vol. 62, No. 1 (1890), 1890, leaf 4
nven- foundations of the abutments to set, work was begun tion address Mr. William Atkinson, No. 316 Columbia upon the superstructure. Avenue, Philadelphia, Pa The structure is to be of light granite, and will be eighty feet long, seventy-one feet high, and forty- AN IMPROVED FLASH-LIGHT LAMP. tive… … HIGGINS’ MAGNESIUM FLASH-LIGHT LAMP. GROVE’S LINK LIFTER. tion of a circular saw with such atooth applied, and Fig. 2 shows an insertible tooth with the filling block G. Grove, of Luray, Va. The device is made in three powder may be projected through the igniting flame, einployed therewith. The…

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