| 单词 | paddle-tumbler |
| 释义 | > as lemmaspaddle-tumbler paddle-tumbler n. (in leather-making) a tank in which a stirring paddle keeps skins in motion in water or tan liquor, enabling them to be thoroughly washed or tanned. ΘΚΠ society > occupation and work > equipment > equipment for working with skins or leather > [noun] > for washing hides pin mill1837 paddle-tumbler1883 paddle wheel1883 wash-mill1897 paddle-vat1902 1883 R. Haldane Workshop Receipts 2nd Ser. 373/1 The skins are now a second time washed in the ‘paddle-tumbler’, first in cold and then in tepid water. 1891 S. P. Sadtler Handbk. Industr. Org. Chem. (1900) x. 329 The tanning was formerly done with sumach and gambier, either in revolving paddle ‘tumblers’..or according to the English method. < as lemmas |
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