| Description | Metal spraying. Dgms. 33pp. 1926. *BALLARD (WILLIAM E.).
Notes on forging hammers. Dgms. 38pp. 1926. WALKER (E.G.A.).
President's address. 5pp. 1926. FINNEY (JAMES).
Some recent developments in aerial transport. Dgms. 38pp. 1926. BRIGGS (HAROLD).
Scientific treatment of boiler feed water, introducing the colloidal aspect. By W.G. Lewis & G.S. Irving. Dgms. 38pp. 1926. LEWIS (W.G.). |