Description | Plastics as applied to engineering. 17pp. 1939. *ROWELL (HERBERT W.). The design and working of controlled forced circulation boilers. Illus. Dgms. 51pp. 1939. PLUMMER (GILBERT ASHTON). The Creation and development of a modern power station. With references to Birmingham. Dgms. Graphs. 36pp. 1939. LAWTON (FREDERICK WILLIAM). The Birmingham Hospitals Centre. (The Queen Elizabeth Hospital) 29pp. 1939. LEA (FREDERICK MACKENZIE). |