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Scientific American, Vol. 93, No. 10 (September 1905) (1905)

leaf 3

An illustration from Scientific American, Vol. 93, No. 10 (September 1905), 1905, leaf 3
the light can be controlled, it may be supported an enormous increase in the performance of the to yield under the increase of osmotic pressure. Some- on a tripod. The head of the tripod and one leg are times a small drop would be projected in the course dredge. The coal consumption was extremely… … be invited from p ho tograp hie the most promi- work as well as A GIANT DREDGE. nent electrical en- for natural - size Owing to this increase in output and in speed, the gineering firms. Enormous sources of generating pictures. This "graphic naturalist's camera" is the the requisite energy are…

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