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单词 mortar-mill
释义

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mortar-mill
mortar-mill n.
ΚΠ
1819 P. Nicholson Archit. Dict. II. 381 Mortar mill, a machine contrived by Mr. Supple, for the purpose of saving labour in the making up of mortar, as well as doing the business more effectually, and at a trifling expense.
1867 A. A. Anderson U.S. Patent 72,440 Improved Mortar-Mill... My invention consists of a machine for grinding and mixing mortar.
1904 Athenæum 31 Dec. 908/2 Poplar and St. Pancras both run fan-engines, clinker-crushers, and mortar-mills.
1972 J. M. Crook British Museum 128 Thousands of visitors..came to know the clang of hammer and chisel, the whistling of labourers, and the rumble of the mortar mill.
extracted from mortarn.2
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