单词 | rag frame |
释义 | > as lemmasrag frame rag frame n. Mining an inclined table for partially concentrating slimes. ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for washing ore > table or frame frame1778 sleeping table1839 sweeping-table1839 sweep-table1839 bumping table1877 rag frame1904 1904 Eng. Dial. Dict. Rag frame. 1920 Conquest Nov. 17/1 The stream is dammed and the sludge or slime settles, and is allowed to flow through launders which feed automatically-tilting tables of the most ingenious structure... These tables are called rag frames. 1964 A. Nelson Dict. Mining 358 Rag frame, a broad, slightly inclined wooden frame for the rough concentration of slimes. < as lemmas |
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