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Scientific American, Vol. 85, No. 23 (1901) (1901)

leaf 8

An illustration from Scientific American, Vol. 85, No. 23 (1901), 1901, leaf 8
e water fit for use again in the boilers. Even the A means of making use of the flash powder with can be substituted for the hand-propeller. There is absolutely no smoke or odor, and the room is at once small amount of water coming from the separators is safety and comfort has been devised by H. B.… … camera. than a true screw. Another notable Also, that in pro- feature to be con- peller designing, no reliance whatever could be sidered is the use of such a device in child portrait- this process are very soft and harmonious in their placed upon theory alone; the only course was to ob- lights ,and…

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