trip hammer

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trip ham·mer

also trip·ham·mer or trip-ham·mer (trĭp′hăm′ər)

A heavy, power-operated hammer that is lifted by a cam or lever and then dropped.

References in classic literature ?

Mina gazed at him fixedly for a few minutes, during which my own heart beat like a trip hammer, for I felt that some crisis was at hand.

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As the news of the Collins-made axe spread, demand soared and in 1828 they installed water-powered trip hammers and huge grinding wheels said to be 6 feet in diameter and a foot thick.

Early ingenuity put a sharp edge: ON FLEDGLING AMERICAN AXE INDUSTRY

The final step of the Cancheamento phase is the crushing of the leaves and stem in a machine that is best described as similar to a series of trip hammers that pound the product into a powder.

Brazilian mate is making waves: in our March issue, we explored the differences between the Brazilian and Argentine versions. In this article, we highlight Brazil and its love for "the other green tea." Stay tuned next month for our mate farm survey and the next installment of this series

In addition to grinding grain for bread and malt for beer, mills powered by water and wind drove trip hammers that pounded special salts into woolen textiles, making them pliable and soft, in a process known as fulling.

Mills in the Medieval Economy: England 1300-1540

The museum collection includes three restored trip hammers, mechanized pieces of equipment more efficient than a hammer and anvil for heavy work.

Preserving the Smithy's shop: blacksmith museum showcases early trade

Upon further research, I discovered that the Chinese had trip hammers in 200 B.C.

Little Giant trip hammer history corrected

Fazendin retained only Little Giant trip hammers and the foundry, which produced plumbing fittings, castings and supplies.

Little Giant stands tall: one-of-a-kind restored relic is important link to the past for Minnesota company

"There was less dependence on horses," Chip says, "and at the same time, trip hammers and steam hammers replaced anvils in industrial use."