Charles Booth's 'Descriptive Map of London Poverty'.
Surveyor: Booth, Charles
Medium: Engraving, coloured
According to Charles Booth's survey in 1889, over a third of London's inhabitants lived on or below the margin of poverty. His 17-volume survey included this coloured-coded map indicating London's poverty and prosperity street by street. The key to the colours used is as follows:
Gold: Upper-middle and Upper classes.Wealthy.
Red: Well-to-do. Middle-class.
Pink: Fairly comfortable. Good ordinary earning.
Purple: Mixed. Some comfortable, others poor.
Pale Blue: Poor. 18s. to 21s. a week for moderate family.
Dark blue: Very poor, casual. Chronic want.
Black: Lowest class. Vicious, semi-criminal.