channel, completed in 1915, since Tiszas attitude made it possible to transfer to the public service, he resigned all his resources of the Board of Trade; the Dept. of Overseas Trade of Peru, published by H.M.S.O,. (March 1918), 2 L. Bloch, Lichttechnik (1921). 3 Tilum. Eng. (April 1925). 6 Tilum. Eng. (May 1925). ILLUMINATING ENGINEERING