Plate XXIII from Theatrum instrumentorum et machinarum. Research in ProgressMachine for driving diagonal piles for piers, etc. A pole with a rope at one end, right, pulled byt wo men, and a large rectangular weight at the other, is dropped onto the pile at an angle. It is supported by a wood and rope frame.

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Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

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