Barry, Thomas Hedley The Chemistry of the natural & synthetic resins/ by T. Hedley Barry, Alan A. Drummond and R.S. Morrell - London: Ernest Benn Ltd, 1926 - vii, 196p.: illus., diagrs; 24cm - Oil and Colour Chemistry Monographs : edited by R. S. Morrell . Includes bibliographical references and indexes Subjects--Topical Terms: Gums and resinsResin, Synthetic