The largest steam hammer in the United States weighs 17 tons, while the anvll-bloeh under it weighs 160 ton*. - With » f«U steam on it will strike ft blow of 00 tons, but, as this tremendous weight is not always osots* ..re fa hammering) it con be made to strike SWrdesirel It hm a SBi« cylinder and Oft stroke. The ponderous blows make tbocwtb quake for a radius of nearly 200 varde. The big hammer to for forging steamboat shaft* and other heavy work.)
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https://paperspast.natlib.govt.nz/newspapers/LT18811228.2.29
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Lyttelton Times, Volume LVI, Issue 6501, 28 December 1881, Page 5
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83Untitled Lyttelton Times, Volume LVI, Issue 6501, 28 December 1881, Page 5
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