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Pile boring Machines of the 18th Century
These Figures are from D.P. Zekkos personal collection and originate from the 3rd Edition of the Encyclopedia Britanica published during 1797-1803. They illustrate two types of pile boring machines.
The figure on the left is called "Bunce's Pile Engine" . You can see the two side views of the machine. A man rotated the wheel and a weight was risen. Then the weight was dropped and the wooden pile was pushed into the ground.
The same concept applies in the machine on the right, titled Vaulone's Pile Engine.
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Charles (Chuck) Cushing Ladd (1932-2014)Dr. Jorj O. Osterberg (1915-2008)Dr. Tien H. (T.H.) Wu , 1923 - 2018George Goble (1929-2017)Harry Bolton Seed (1922 - 1989)ISRM mourns loss of John A. Hudson, rock mechanics pioneerJerry Yamamuro (1954-2010)Michele Maugeri (1944 - 2014)Nilmar Janbu (1921-2013)Pedro A. de Alba (1939-2011)Prof. Sven Hansbo (1924-2018)Professor Ralph Peck Video LecturesRachid Hankour (1960-2013)Ralph B. Peck (1912-2008)Richard Dillon Barksdale (1938 – 2007)Robert V. Whitman (1928-2012)T. W. “Bill” Lambe (1920-2017)Tor L. Brekke (1934-2009)
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