Built on Mill Hill. 1839. Named for General Hugh Mercer who fought at Trenton and died in the Battle of Princeton, 1777. Goodyear vs. Day patent case tried here in 1852. Daniel Webster won for Goodyear. The result was a great impetus to local rubber industry.

Marker is at the intersection of Market Street and South Broad Street, on the left when traveling east on Market Street.

Courtesy hmdb.org

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