Sub-series BT3/4. - Coal Dust and General Research Committees,

Material relating to the Coal Dust Research and the General Research Committees of the Monmouthshire and South Wales Coal Owners Association. Material comprises minutes and research reports. The minutes are mainly for meetings of the Coal Dust Research Committee, which met to receive, and approve, periodic reports of work completed by Dr. T. D. Jones, Director of Research. They contain interim and final reports from Dr. Jones, statements of expenditure for the Coal Dust Research Department, and outlines of future research programmes. The minutes also include several meetings where both the Coal Dust and General Research committees met. Research reports deal with a variety of issues such as air sampling, the use of sprays for dust suppression, ventilation in mines, the effects of various types of conveyors on coal dust, sodium vapour lamps used underground, and pneumokoniosis amongst others.