Perot mansion. North side of Market Street near Eighth St (old no. 297, now no. 731). [graphic] : At this date ( June 15th 1859) it is the only exclusively private dwelling house on Market Street, either side of the way, between the Delaware and Schuylkill rivers! It was built by, and occupied by John Perot, Esq. in the year 1804, who continued to reside there up to the time of his decease on the .It is at present owned and occupied by his son Edward Perot. / Photograph by Richards.