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Scientific American, Vol. 20, No. 19 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 20, No. 19 (1869), 1869, leaf 7
f thischaracter were used in these pivoted to the other leaf, D. On this leaf is cast a snug, E, parts, their insecurity would so trouble some folks that they that receives and holds the end of the latch, C, when down. would have norest till they were effectually “nailed.” The The opposite leaf, A,… … In operation, the door, or other valve, whether door, blind, engaging with the small would take 120 to make the thickness of common printing shutter, or chest lid, is opened to the extent desired, and held gear. It will be seen that paper, 367,650 sheets of which would make a column half as in any…

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