Abstract
ANOTHEB paper read at the meeting of the Newcomen Society on March 21 was by Mr. G. Bathe and dealt with the dredging machine of Oliver Evans. Oliver Evans was one of the outstanding pioneers of American engineering, constructing machinery for flour mills and introducing high-pressure steam engines. In 1804 the authorities at Philadelphia commissioned him to construct a steam dredging machine which, because it could propel itself on land and in the water, Evans called the Orukter Amphibolos. Evans died, a disappointed man, in 1819. Before his death he destroyed a lot of drawings, and with them probably was lost the sketches of his dredger, the details of which to-day are very imperfectly known.
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Early Dredging Machine. Nature 133, 489–490 (1934). https://doi.org/10.1038/133489c0
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DOI: https://doi.org/10.1038/133489c0