Description | The application of electricity to industrial purposes. By F.J. Moffett and N.B. Rosher. Illus. 34pp. 1912. Electro Magnetism. Illus. 28pp. 1911. BERRY (R). The manufacture of weldless steel chains. 16pp. 1912. STRATHEARN (A.G.). 21st inaugural address. 23pp. 1912. WALL (CHARLES H.). Jigs, operation cards and stage sheets. Illus. 25pp. 1911. ROUND (A.E.). Worm and spiral gearing, with a special reference to machine tool design. Illus. 38pp. 1912. HAUGHTON (W). Design of express locomotives. Illus. 45pp. 1911. POULTNEY (E. CECIL). Useful work of the motor car engine. 18pp. 1912. BATEY (JOHN). |