The Tie-BarA 2-inch-wide by 3/8 to 1/2-inch thick piece of steel, the tie-bar was slotted to any gauge desired near each end to receive the webs of the head and flange sections of the rail. The tie-bar locked the rails together, "perfectly and permanently gauging the track."
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Letter from Thomas H. Gibbon to The Committee on Science and the Arts of The Franklin Institute, Philadelphia, Acknowledging receipt of certified copy of the sub-committee report on improvement in street railway construction. Asking for reconsideration of 10th claim for superiority, 1/28/1892 (907K) |