Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
26 results returnedSearch results
- Underground loading devices in metal mines
- The determination of carbon monoxide in mines with the "iodine pentoxide" detector
- Electrical accident prevention
- Some runaway car trips on inclines at coal mines
- The significance of the Bureau of Mines approval of gas masks
- Investigation of electrical equipment, safety lamps, and gas detectors for safety
- Work of the Bureau of Mines safety cars in the Pennsylvania anthracite region from 1934 to 1939
- Use and misuse of flame safety lamps
- Mine rescue life-line telephone assemblies
- Approval of newly developed self-contained breathing apparatus, instructions in its care and use, and training procedure
- Some studies on emergency mine communications
- Miniature bilevel alarm for oxygen-deficient atmospheres
- Evaluation of chemical-cartridge respirator face fit
- Continuous working-level measurements using alpha or beta detectors
- Continuous recorder to monitor mine roof displacement
- Gas-sampling capability of vacutainers
- In-mine evaluation of underground fire and smoke detectors
- Flexible, fiberoptic stratascope for mining applications
- Protection factors of the airstream helmet
- Computerized, remote monitoring systems for underground coal mines :fires and explosive atmospheres
- Interim performance specifications for transducer modules used with the Bureau of Mines intrinsically safe mine monitoring system :carbon monoxide, methane, and air velocity
- Microseismic instrumentation developments :a tape triggering system and energy analyzer
- Design criteria for rapid-response pneumatic monitoring systems
- Ground penetrating radar :a review of its application in the mining industry
- Calamity hollow mine fire project (in five parts).
- Ground-penetrating radar for strata control