| frue vanner | <chemical> A moving, inclined, endless apron on which ore is concentrated by a current of water; a kind of buddle. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
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| vanner | <chemical> A machine for concentrating ore. See Frue vanner. Source: Websters Dictionary (01 Mar 1998) |
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