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Scientific American, Vol. 37, No. 11 (September 1877) (1877)

leaf 4

An illustration from Scientific American, Vol. 37, No. 11 (September 1877), 1877, leaf 4
prongs may project far enough ALLEN'S lUFBOVES FISE ESCAPE. for u.se as a fork. danger of which so much stress has been deservedly laid, in The accompanying engravings represent a new flexible Patented through the Scientific American Patent Agency, the sense in which the word is here used, not only… … by light from the eastern or advancing edge of the sun; leading wheels. to escape irom the upper stories of burning buildings. The spectrum B by light from the western or retreating one. A In setting to work, the hemp rope, which is driven from side supports. A, Fig. 3, of the ladder are made of…

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