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Scientific American, Vol. 40, No. 13 (1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 40, No. 13 (1879), 1879, leaf 7
ich is of sufficient length to chimney top constructed to prevent a down draught will a wind box, from which it enters the furnace at several points reach through the door, and a pawl or dog accompanies the remedy this difficulty. Each grate or fireplace should have near the bottom by means of the… … engravings aims to produce a change of form and of chemi- cal nature and a great reduction in bulk of all such refuse HOESLY’S DOOR BOLT. and garbage within the limits of the city where it accumu- | lates, without screening, separating, preparing, or mixing, j of the furnace, where the air is…

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