description- – Etching adapted from a painting produced by the Photo Electric Co. ca.1875. View of Worcester, MA from Union Hill showing theBlackstone Canal in the foreground.
subjectcollectiondatepublishercreatorrelation- – In the collections of the Worcester Public Library, Worcester, Mass. http://www.worcpublib.org/
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description- – The inclined plane was an engineering innovation used in the first commercially successful canal in the U.S.
subjectcollectiondatepublishercreatorrelation- – From the collection of the South Hadley Historical Society, South Hadley, Mass. http://home.comcast.net/~robertjudge/index.html
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