Tyburn (Charing Cross), along Fleet Street and over the Fleet Bridge, climbing Ludgate Hill (by gravitational pressure) to a public conduit at Cheapside. Water was supplied free to all comers. Tyburn had significance from ancient times and was marked by a monument known as "Oswulf's Stone", which gave its name to the Ossulstone Hundred of Middlesex. The stone was covered over in 1851 when Marble Arch was moved to the area, but it was shortly afterwards unearthed and propped up against the Arch. It has not been seen since 1869. For much of its history, public executions took place at Tyburn,
Allison Engine Testing Stands Land Pty Ltd in 2005 and a master plan was prepared to guide its development as an office park and for warehousing. The testing stands along with Hangar No. 7 are now the only structures remaining from the use of the site as a major airfield during WWII. The site comprises four sections, six open engine testing stands constructed in 1942, two enclosed testing stands constructed in 1943, two open stands constructed in 1943 and the concrete flooring and footings of a hut and warehouse. The chief characteristic of the site is the functional nature of the design of each