单词 | percussion table |
释义 | > as lemmaspercussion table percussion table n. Mining (now historical) an apparatus for sorting ores according to weight, consisting of a slightly inclined table or frame which is vibrated and periodically allowed to fall. ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for separating or sorting ore by size or weight grate1778 percussion table1839 classificator1856 classifier1856 grating1869 1839 A. Ure Dict. Arts 816 We shall now describe the percussion-tables used in the Hantz. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 162 Percussion-table, an inclined table, agitated by a series of shocks, and operating at the same time like a buddle. 1905 Times 6 Sept. 8/2 Diamonds alone..adhered to grease..all the others would flow away as tailings over the end of the percussion table. < as lemmas |
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