Siebe, Gorman, and Co.; The Micrometer Engineering Co.; Messrs. Babcock and Wilcox; Messrs. Siebe, Gorman, and Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Micrometer Engineering Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock.