[Gas] A Century of History. The story of a great discovery. [A history of many aspects of gas, in 12 parts, extracted from The Outline of History by H G Wells. 12 leaves, 1919-20]
[Gas] A Century of History. The story of a great discovery. [A history of many aspects of gas, in 12 parts, extracted from The Outline of History by H G Wells. 12 leaves, 1919-20]
