Archifau a Llawysgrifau Llyfrgell Genedlaethol Cymru

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 15. Examination of the Nine Feet Seam at Wyndham Colliery; Fusion Point of Coal Ash report.

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 79, 81. Examination of the Nine Feet and Bluers seams. Also a summary of samples taken at other collieries of the Messrs Evans and Bevan.

Survey reports for Pentre areas,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 10. Examination of the Nine Feet Seam.

Survey reports for Pochin area,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 19. Examination of the Upper and Lower Rhas Las seams.

Survey reports for Porth area,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 7. Examination of the Nine Feet and Billy Smalls seams in Cymmer Colliery and in the Hafod group of collieries. Also reports of screening analysis and ash contents of the small coal from various seams and districts in the Porth area.

Survey reports for Risca Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 26/5. Examination of the Five Feet Seam.

Survey reports for Ty Draw Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Sample 60. Examination of Nine Feet Seam; report on fusion point of coal ash.

Survey reports for Ty Trist Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 18. Examination of the Polka and Rhas Las seams; report on the fusion point of coal ash.

Survey reports for Werfa Dare Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 62. Examination of Nine feet seam; report on the fusion point of coal ash.

Survey reports for Wernbwll Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 39. Examination of the Penclawdd and Penlan seams; Fusion Point of Coal Ash reports.

Survey reports for Wern Fawr Colliery, Dunvant,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 71. Examination of the Five Feet and Six Feet seams.

Survey reports for Wern Tarw Colliery,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Samples 75. Examination of the No. 3 Rhondda, Hafod, Pentre and Six Feet seams.

Reports on coal breakage,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports on breakage in transport, and the breaking of different types of coals on various coal breaking plants. The research was carried out at the Fuel Research Station in Greenwich, London, and also at several collieries including Aberaman, Aberycynon, Duffryn Rhondda, Elliot, Llanharan, Oakdale and Windsor.

Coal for gas producers at steel works,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports of the analysis of coals for gas producers at steelworks.

Special reports,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Miscellaneous typed reports and letters, relating to the calorific values of coals, Brighter Homes Exhibition, the examination of brass-stones from South Wales coals, the examination of coals with high fusion content from Cilely Colliery, and the vacuum flotation of anthracite. Also, a list entitled Safety in Mines Research Board Library.

Reports 1857-1861,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports 1862-1866,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports 1878-1879,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports 1880-1881,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,

Reports 1882-1884,

Rhan oMonmouthshire and South Wales Coal Owners Association Records,