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Scientific American, Vol. 42, No. 23 (June 1880) (1880)

leaf 3

An illustration from Scientific American, Vol. 42, No. 23 (June 1880), 1880, leaf 3
ur experimenters, has not been hampered by monetary be secured at an angle of about forty five degrees. another hour he would be blind; or if those of the tongue difficulties, and having had ample means for carrying out .his ideas in practice,~he has been enabled to develop his in- A person… … an hour. Our experiences were sufficient to en- ling residence streets at night. It will not NOVEL FOLDING MIRROR- able us to see the desirableness of a little answer at all for day sprinkling or for streets smoother road, and to convince us that there devoted to traffic. The estimated cost of was…

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