Mansion House, London the columned "Egyptian Hall", was so named because Dance used an arrangement of columns deemed to be "Egyptian" by Vitruvius. No Egyptian motifs were employed. It has twenty niches for sculpture. There was originally an open courtyard, later occupied by a saloon. The residence used to have its own court of law, since the Lord Mayor is the chief magistrate of the City while in office. There were eleven holding cells (ten for men and one, nicknamed "the birdcage", for women). A famous prisoner here was the early 20th-century suffragette women's rights campaigner Sylvia Pankhurst. Mansion House is home to
Manoogian Mansion Derrick. The Manoogian mansion is one of the few houses in Detroit that has a boat house. Manoogian Mansion The Manoogian Mansion is the official residence of the mayor of Detroit, Michigan. It is located at 9240 Dwight Street in the Berry Subdivision Historic District, on the city's east side, backing up to the Detroit River. The mansion was built in 1928 at the cost of $300,000. The original owner lost the home during the Great Depression and it sat vacant until Alex Manoogian, founder of the Masco company, purchased the home at an auction in 1939 for a mere