Blanco was used in what organization of 52 states of the British Empire to clean equipment?
Blanco (compound): Blanco was a compound used primarily by soldiers throughout the Commonwealth from 1880 onwards to clean and colour their equipment. Commonwealth of Nations: The Commonwealth of Nations (formerly the British Commonwealth), also known as simply the Commonwealth, is an intergovernmental organisation of 52 member states that are mostly former territories of the British Empire.
Commonwealth of Nations