Neilson v Harford
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Neilson v Harford 151 ER 1266 is a 19th-century English patent law decision that several United States Supreme Court patent law opinions rely upon as authority. The question, as Baron Alderson posed i
Neilson's 1829 hot blast apparatus, employed at the Clyde Iron Works, Glasgow
Cold blast
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Cold blast, in ironmaking, refers to a metallurgical furnace where air is not preheated before being blown into the furnace. This represents the earliest stage in the development of ironmaking. Until
Section of a 17th and 18th century blast furnace. The bellows, at right, draw in air directly from the atmosphere.
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