| Description | Artesian wells. With references to Birmingham water supply. Illus. Dgm. 31pp. 1938. EDWARDS (EDWIN J.).
Past and present methods of production of gold and silver work. Lecture given at James Watt Memorial Institute. Illus. 8pp. 1938. BLACKBAND (WILLIAM THOMAS).
Fuel economy. Dgms. 47pp. 1938. COLCLOUGH (W.C.).
The properties and uses of the stainless steels. Tables. 19pp. 1938. HALL (C. CYRIL).
Combined power and heating. 1937-38. Illus. Dgms. 28pp. 1938. RAGGETT (JOHN F.). |