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Scientific American, Vol. 72, No. 6 (1895) (1895)

leaf 4

An illustration from Scientific American, Vol. 72, No. 6 (1895), 1895, leaf 4
s a compara- cinations. A research on this subject has reached a is controlled by a simple electro-magnet. When acoin tively low frequency of alternations, and the armatures is dropped into the slot the circuit is closed, this ex- of the generators have special windings adapting them cites a… … York parties for life saving purposes in case of ship- MEASUREMENT OF IMAGINATIONS. Figaro, and by means of gifts made directly to the in- wreck. Each outfit consists of an automatic apparatus stitute, contributed up to December 31, 1894, no less a generating hydrogen gas under pressure, so…

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