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Manufacturers Index - Portland Co.
Last Modified: Oct 20 2012 3:32PM by Jeff_Joslin
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This firm was active from at least 1871 to 1905. They were a substantial firm that made railway locomotives, steam engines, and sugar mills, In later years they made the "Thomes core-box machine". A reported example carried a 1904 patent date. Frank E. Thomes also received a couple of later patents for core-box machines (in 1921 and 1926) but we do not know whether those later designs were made by the Portland Co.

Information Sources

  • Advertisement in the Railways of Canada for 1870/71, published in 1871.