. A dictionary of arts, manufactures and mines : containing a clear exposition of their principles and practice. are too much estransed from the study of the useful arts, and content themselves toomuch with the minutiae of the laboratory or theoretic abstractions. Within the space of7 years, the use of the hot blast has been so much extended in Great Britain, as to haveenabled many proprietors of iron works to add 50 per cent, to their weekly production ofmetal, to diminish the expenses of smelting by 50 per cent., and, in many cases, to producea better sort of cast iron from indifferent mater
. A dictionary of arts, manufactures and mines : containing a clear exposition of their principles and practice. are too much estransed from the study of the useful arts, and content themselves toomuch with the minutiae of the laboratory or theoretic abstractions. Within the space of7 years, the use of the hot blast has been so much extended in Great Britain, as to haveenabled many proprietors of iron works to add 50 per cent, to their weekly production ofmetal, to diminish the expenses of smelting by 50 per cent., and, in many cases, to producea better sort of cast iron from indifferent materials. 586 587.
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Keywords: ., bookcentury1800, bookdecade1840, booksubje, booksubjecttechnology
