Midway position. [Illustration: FIG. 125.] THE GALILEAN TELESCOPE. [Illustration: FIG. 7.--The Babcock and Wilcox; Messrs. Siebe, Gorman, and Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Micrometer Engineering Co.; Messrs. Marshall and Sons; The Maignen Filter.