The author compares hydraulic and pneumatic drills and forecasts a switch of many users over to hydraulic equipment during this present decade. New hydraulic drills that have been recently introduced are discussed and the impact of hydraulic drills operating in mines and tunnels throughout the world is measured. /Author/TRRL/

  • Availability:
  • Corporate Authors:

    Morgan-Grampian Limited

    30 Calderwood Street
    London SE18 6QH,   England 
  • Authors:
    • Bullock, R L
  • Publication Date: 1976-9-10

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 5 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00145364
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: ITRD, TRIS
  • Created Date: Apr 13 1977 12:00AM