Search Results

  • CSV Spreadsheet
(1 - 15 of 15)
Miner's Using Modern Equipment
Air Driven Drilling Machine
No. 3: Widener Building
Drilling rig on Guest River, Virginia
Old Time Mining Methods
David Kelso, drill grinder
Apprentice laying out work for drilling
Apprentice operating boring mill
C.F. Waters, P-13-7 boring mill operator
Horizontal boring mill operators
Dorothy Henderson, O-21-10 machine operator
Martha Horne, O-20-1 machine operator
Milling and drill press operators
Tapping machines for water and gas mains, high and low pressure
George H. Sampson's New England Agency for Gunpowder for Sporting and Blasting