644.8 S Shanahan, Edwward William, 1882- Refrigeration as applied to the transportation and of food produsts. By E. W. Shanahan. Londpn, Gee & co.[1929] 96p. illus.21cm(Half-title:London Schoolo of economics and political science (University of London)mStudies in commerce…vol. V…) Bibliography : p. ix.x