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No. 3: Widener Building
Drilling rig on Guest River, Virginia
Air Driven Drilling Machine
Old Time Mining Methods
Miner's Using Modern Equipment
Pusey and Jones worker casting on drill press
Worker operating drill press
David Kelso, drill grinder
C.F. Waters, P-13-7 boring mill operator
Dorothy Henderson, O-21-10 machine operator
Apprentice operating boring mill
Apprentice laying out work for drilling
Martha Horne, O-20-1 machine operator
Horizontal boring mill operators
Milling and drill press operators
Stanley electric tools : catalogue no. 66
Tapping Machines for Water and Gas Mains, High and Low Pressure
Stanley Electric Tools: Catalogue No. 65
Stanley Electric Tools: Catalogue No. 67