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Scientific American, Vol. 81, No. 13 (September 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 81, No. 13 (September 1899), 1899, leaf 10
de- immense spar of nickel steel, whose length is supposed lens and sensitive bromide paper, will depend upon two thinss. i. e., the focal length of the lens to be em- veloper, and try, by means of local work, to get detail to be 111 feet, was shipped in its place, the gaff being replaced by a… … bridge builders and all who lens as possible. To soften have to do with framed struc- the effect, and prevent the tures involving the use of formation of a hard line, re hollow built up members : cap the lens, remove the namely, that a hollow metal cloud negative, and replace it " SHAMROCK"…

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