Catenary
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The focus of a rolling parabola traces out a catenary, the curve of a hanging chain held by its ends
The focus of a rolling parabola traces out a catenary, the curve of a hanging chain held by its ends
A catenary arch and the last arch of the trip. (at Arch of St. Louis)
A catenary arch and the last arch of the trip. (at Arch of St. Louis)
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