Re: Arrastre Spring


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Posted by Harold Ericsson on April 06, 2003 at 19:53:46:

In Reply to: Re: Arrastre Spring posted by desteral on April 06, 2003 at 18:42:31:

qarrastre
(a"rastre, -&-) [Sp., f. arrastrar to trail along the ground, f. L. rastrum harrow.]
An apparatus for grinding and mixing ores by the action of a heavy stone dragged round on a circular bed.
1881 Raymond Mining Gloss s.v., The arrastre is chiefly used for ores containing free gold, and amalgamation is combined with the grinding. (Sometimes incorrectly written arraster, arrastra, or raster.) 1883 Standard 20 Jan. 1/5 The whole of it has been treated, partly by means of arrastras.
Birdman


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