The British bread rationing scheme is undergoing its first big test today (Monday) . When roundsman have to divide the population into 'buff adults', 'Green children' and 'blue adolescents'. To help them, one big bakery has had explanatory notices printed for is roundsman, telling them the ration for each of these categories. Picture shows, a baker's roundsman cutting BU's (bread rationing units) from a customer's ration book at Stratford, London, this morning. 22 July 1946