Stamp head

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a heavy mass of metal, forming the head or lower end of a bar, which is lifted and let fall, in a stamp mill.

See also: Stamp

References in periodicals archive ?
If they are, then an effect of handedness should be obtained for recall of stamp head orientation which is similar to that for recall of coin head orientation in spite of the overall higher level of accuracy, 69.
The additional experiment also provides an opportunity to examine further the recall of stamp head orientation.
The cylindrical stamp heads pounded down 66 times per minute, crushing the coarse ore in the mortar, which was kept nearly flail of mercury.
Another new machine, the Model 5000, with two stamp heads and one die cutter, will be introduced in the U.