单词 | mortar-mill |
释义 | > as lemmasmortar-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. < as lemmas |
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