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Scientific American, Vol. 1, No. 18 (1859) (1859)

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An illustration from Scientific American, Vol. 1, No. 18 (1859), 1859, leaf 0
iscolored. To restore such pamtings, it is necessary to remove the discolored for the slats of window-blinds, and the cutting and varnish. This may be done either with strong spirit or forming of the pivots of the slats by the aid of steam power, have been the objects of much inven- with soft soap… … to the sun (being, at the is shown in the cut) upon the two square rods, ¢ ¢. same time, frequently agi- In boring stiles for blinds, the square chisel is re- tated) for two months, and becomes oxygenated in a the slat is brought against the teeth of the cutting-tool high degree. If this liquid is…

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