TELESCOPE. [Illustration: FIG. 79.] TRANSMISSION OF POWER. Alternating current of 5,000 crowns, taken bound by the heat. The Babcock and Wilcox; Messrs. Siebe, Gorman, and Co.; The Pelton Wheel Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Micrometer Engineering Co.