Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 75
s. per square inch, and over. Even when comparatively lowpressures were the rule, a large ironworks required much blowing power.The works formerly at Dowlais, in South Wales, for instance, had anengine of 650 horse-power for the blowing engine, in which a piston of12 feet diameter moved in a… … Fig. 22.—Section of Blast Furnace. It need scarcely be said that great care and expense are bestowed onthe construction of these furnaces. Only the best and most refractorymaterials, such as firebricks, are used for the lining, and the exterior is acasing of solid masonry, strengthened with iron…
Inventions
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