Sinking a Standpipe from the Article Prospecting with the Diamond Drill by J. Parke Channing from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume X October 1896 NEW YORK The Engineering Magazine Co


Size: 3448px × 2320px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1890s, 19th, advancement, apparatus, bullock, century, design, development, diamond, dig, digging, drill, drilling, drills, economical, engineering, excavation, historic, historical, history, hydraulic, idr, industry, innovation, innovative, machine, machinery, machines, mechanic, mechanical, mechanics, miner, miners, mining, nineteenth, power, prospect, prospecting, psi, resource, resources, shanty, steam, surface, technological, technology, tool, tools, underground