Abstract :
The Twelfth Exposition of Chemical Industries, which opens May 6, 1929 at Grand Central Palace, New York, N. Y., bringing together most of the leaders in the chemical and allied industries in this country, will have over 450 exhibits of raw materials, chemicals, machinery, laboratory equipment, instruments of precision, etc., classified in the various sections. The exhibits of the various types of chemicals and machinery will permit the visiting engineer and executive to compare at first hand the various types of materials, equipment and chemical practises, with many new features exhibited for the first time.