The Stilb (sb ) is a traditional unit of luminance non-self- luminous body and is no longer valid since 1 January 1978 as the official unit of measurement.
The word derives from the Greek word "still bein ' from ( shine ) and was coined in 1920 by the Frenchman André -Eugène Blondel. While in the North American bildhaftere terms such as " candles per square meter," preferred that Stilb remained in Europe until the time of World War II in use.
The corresponding SI unit is cd / m².
As a unit for self-luminous body was the apostilbes:
1 apostilbes = 0.0001 = Lambert.