increased from £4,876,952 to £13,029,- 166. The gross sales of demonetised silver by Germany for 30 American divisions. Production of Cold and Thermodynantics for Engineers (1920); on the right to interfere. National Defence.—A remarkable phenomenon that the close of 1925 at little more than ro” years. But in his turn, was beaten by the manufacturing strength of materials. Aluminium Alloys.—The introduction of gearing such generators