COCOA -- recipe over 100 year old

Mix -- 4 tablespoons of cocoa with 3 tablespoons of sugar and a little salt. 

Add -- 1 cup of boiling water and cook until the mixture is smooth and glossy. 

Add -- a quart of milk and heat to boiling. 

NOTE: This may be done more safely in a double boiler. Just before serving beat with an egg beater.