The Maritime History of the Great Lakes
Detroit Post and Tribune (Detroit, MI), Fri, 29 Mar, 1878

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A NEW WRECKING PONTOON. - Saturday afternoon a test of the lifting power of Capt. William Foster's new patent pontoon for raising vessels was tested in the old river bed, and proved to be a great success - even greater than the inventor himself had anticipated. To make the experiment a temporary wooden punt had been constructed, which was filled with 5,000 pounds of chain, and sunk in 18 feet of water. The pontoon was attached, and air-pumps applied, and in 5½ minutes the punt with its heavy load of iron rose to the surface of the water. The experiment took place in the presence of a large number of persons, many of whom are interested in vessels, and were surprised at the lifting power exhibited by the pontoon, and heartily congratulated Capt. Foster on his successful test. It is now demonstrated that this is the best thing of the kind ever invented for raising vessels that have been sunk. Capt. Foster and those interested with him will immediately construct a large number of these pontoons, and in a short time will have them ready for wrecking purposes. - Cleveland Plaindealer.

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Fri, 29 Mar, 1878
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Dave Swayze
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Public domain: Copyright has expired according to the applicable Canadian or American laws. No restrictions on use.
Maritime History of the Great Lakes
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Detroit Post and Tribune (Detroit, MI), Fri, 29 Mar, 1878