Origin of drop hammer
Examples from the Web for drop hammer
This shop contains six down-draught forges and one drop-hammer, and is also served by the telpherage system.The New York Subway|Anonymous
Jerking the rope in his hands, Tom Nedley tripped the latch holding the drop-hammer, and instantly Ramsay felt the weight.
They hung it on the other pulley and, when it was in place, the end was about three feet below the drop-hammer.