Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 73
nd leading into a downward passage, throughwhich they are drawn by the draught of a tall chimney to the place wherethey are burnt. The charge for the furnace is filled into the hopper a,and at the proper time the chain, «?, is slackened when the weight of thematerial resting on the suspended cone… … Fig. 21.—Ctip and Cone. The march of improvement in the blast furnace has been characterizedparticularly in Britain and the United States by a great increase ofdimensions, which is found to promote economy in fuel, etc. In theformer country the furnace of the latter part of our century is…
Inventions
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