Title: Rock drills as applied to mines, tunnels and quarries : air compressors, straight line, duplex and compound : stone channeling machines, coal mining machines, and complete plants of mining, tunneling and quarrying machinery.
Authors: Ingersoll-Sergeant Drill Company.
Publisher: Ingersoll-Sergeant Drill Co.,
Year: 1891
Subjects: Ingersoll-Sergeant Drill Company Catalogs.; Mining machinery Catalogs.; Rock-drills Catalogs.