Eighth International congress of applied chemistry : Washington and New York, September 4 to 13, 1912 ... --
Proceedings of the Eighth International Congress of Applied Chemistry, held in Washington and New York in 1912 and printed at the Rumford Press in Concord, New Hampshire, for chemists and industrial technologists. The plates are line diagrams of laboratory glassware and apparatus — reaction tubes, condensers, coiled traps, electric heaters — with lettered keys and captions useful as clean technical linework.

