Results 81 - 82 of 82

• A Fail-Safe Control System for a Mine Methane Pipeline
  1/1/1980 - Reports of Investigations
  The Bureau of Mines has designed and put into operation a fail-safe control system for use in underground coal mines equipped with methane drainage pipelines. This control system can detect certain unsafe conditions and respond by automatically shutting...
• The Explosibility of Coal Dust
  1/1/1911 - NIOSH/USBM numbered publications
  This bulletin traces the growth in the belief in the explosibility of coal dust, summarizes the experiments and mine investigations that have established this belief, and gives the present (1911) status of preventive measures.