liquor-pumpn. ‘a portable pump for emptying casks, etc.’ (E. H. Knight Pract. Dict. Mech. 1875); also in Sugar Manufacturing (see quot.).
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1839 A. UreDict. Arts 1196 In Demerara..it is usual to attach to the [sugar] mill a liquor-pump. In action, the liquor from the gutter of the mill~bed runs into the cistern of the pump, and is raised..to the gutter which leads to the clarifier or coppers.