The last wall of Newgate prison is being demolished, allowing St Paul's to emerge in the background. This was the end of the last prison in the City of London. A prison had stood on this spot since at least the 12th century. Hangings, which had previously been held in public at 
Tyburn, still took place within its walls after 1868. In the 18th century it was the largest and most notorious of London's 150 prisons. When Newgate was demolished, the gallows and the male inmates were moved to Pentonville Prison, and the women to Holloway. Until that point,
men and women had not been segregated in prison, which had led to the birth of many children inside. The Central Criminal Court at Old Bailey, opened in 1907, now stands on this site.the demolition of Newgate Prison, L S & P Co, 1903.LTM
There is phrase 'as black as Newgate's knocker' of unknown origin? In a newspaper article in the The Cornishman, March 1881, in a column that explained dialect phrases from difference parts of England for a Cornish audience saying"As black as Newgate knocker" is a Cockney phrase.
