| http://www.w3.org/ns/prov#value | - sylvania, in 1892, became the traffic manager of W. P. Snyder & Company, the Clairton Steel Company, and the Shenango Furnace Company in 1902, became the vice president and a member of the board of directors of the Shenango Furnace Company in 1906, was the secretary and and a member of the board of directors of the Shenango Steamship Company, was a member of the board of directors of the Lake Erie
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