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Scientific American, Vol. 38, No. 2 (January 1878) (1878)

leaf 9

An illustration from Scientific American, Vol. 38, No. 2 (January 1878), 1878, leaf 9
nges. The gondola car now mounted on the por- Dyeing Felt Hats. pears magnified by my J inch objective and B eye piece, en- tion of the road coriipleted is twenty-two feet long, nine feet The following is a recipe for producing a good black, and larged 310 diameters. wide, and weighs over seven… … seldom attacked by caries when, as is generally the case, a blue-black is obtained by leaving out the cashoo and sandal the spaces between are closed to the entrance of food by Had the preparation been offered by a less reputable house wood, and replacing them by 4 J lbs. of archil; for the burn-…

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