The Encyclopedia of Founding

Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.

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Drill

A tool provided for boring vents and gates through hard dry sand and loam. An ordinary brace and bit, or an ancient bow-drill, are suitable tools for this purpose; the latter making a very efficient one.

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