sluice-box†

Placer Mining, Hist.

DCHP-1 (pre-1967)

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a long box or trough containing riffles (def. 2) by means of which gold is separated from gravel.

Quotations

1869

He was busy fixing his sluice-boxes and had evidently dropped on a good thing.

1962

There was a small, battered piano . . . an old sluice box; and a "cradle rocker" from some long-forgotten gold claim.