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

leaf 8

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

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