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Order VII. METAL WORKERS (NOT ELECTRO PLATE OR PRECIOUS METALS)
Code 171: Skilled Furnacemen (including Keepers and Melters)

calciner, calciner man (copper extraction) ; loader
a furnaceman q.v. who feeds, stokes and attends furnaces which roast or calcine copper ore to eliminate portion of sulphur or roast granulated coarse metal (or matte) to oxidise sulphide of iron contained therein.

A Dictionary of Occupational Terms Based on the Classification of Occupations used in the Census of Population, 1921.