Also see IcyBall [1], a type of gas absorption refrigerator that was used in the 1920's and 1930's. [1] http://en.wikipedia.org/wiki/Icy_Ball http://en.wikiped

Also see IcyBall [1], a type of gas absorption refrigerator that was used in the 1920's and 1930's. [1] http://en.wikipedia.org/wiki/Icy_Ball http://en.wikipedia.org/wiki/Icy_Ball