Bick makes the obervation that there is more ironwork to be seen on the surface of this mine than at any other Mid Wales mine.
| Year | Activity |
|---|---|
| 17C | Worked by Sir Hugh Myddleton, and then by Thomas Bushell, |
| c1730s - 1744 | Worked by William Waller and the Mine Aventurers. |
| c1756 | Possesion to Lewis Morris who describes three east-west lodes. |
| c 1760? | Idle. |
| 1850 | Mine revived by Matthew Francis. |
| 1852 | Whilst mine not making profit, Francis moved management to London. |
| 1856 | 40’ iron water wheel bough from Oola mine for £100. |
| 1859 | Crusher relocated at adit driven into No 2 shaft. Good ore reported by Capt Michael Barbery in 17 fm level where a rise had been driven up from deep adit. |
| 1862 | New company takes over. |
| 1869 | Dividends of 30% being paid with J.B. Balcome as managing director. |
| 1871 | Under management of Thomas Kemp, steam engines installed at No3 and 4 shafts. Hodgson’s Patent Tramway installed, a waterwheel providing power. |
| c1872 | Kemp replaced by John Davis at a time when metal prices were falling. |
| 1873 | No ore returns. |
| 1874 | Most of blame laid on Kemp, including a rise to meet No3 shaft emerging in a level above. Also excessively large stopes necessitaing a large arch to stop the mine running in. |
| 1875 | Balcome who must have shared some culpability removed from the board. |
| 1877 | New Bron Floyd company formed with £30,000 capital, although Balcombe caused problems and litigation. |
| 1879 | Low prices lead to temporary closure. |
| 1892 | Final closure. |
Publications (15)
- (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
- (2007); Bronfloyd Site Report; 16 pages
- (2007); Bronfloyd Survey Version 1; 81 pages
- Bick, D.E. (1991); Old Metal Mines of Mid-Wales, The; North of Goginan - Part 3; pp. 26-29
- Hughes, Simon J.S. (1990); UK Journal of Mines & Minerals No 8, Autumn - Llywernog Mine and Museum, Dyfed, Wales; 8 pages
- Lewis, W.J. (1951); Early Mining in Wales; 17 pages
- Liscombe & Co (1880); Mines of Cardiganshire, Montgomereyshire & Shropshire; 52 pages
- Murchison, J.H. (1869); Lead Mines as an Investment; 34 pages
- Naylor, Peter (1981); PDMHS (Peak District Mines Historical Society) 08-1 Jun - Sir Hugh Myddelton The First Mines Adventurer; 6 pages (54-59)
- Palmer, Marilyn and Neaverson, Peter (1989); PDMHS (Peak District Mines Historical Society) 10-6 Win - Comparative Archaeology of Tin and Lead Dressing in Britain during the Nineteenth Century, The; 32 pages (316-347)
- Welsh Mines Society (Aut 2010); Newsletter 63
- Welsh Mines Society (Aut 2011); Newsletter 65; pp. 38-40
- Welsh Mines Society (Spr 2010); Newsletter 62
- Welsh Mines Society (Spr 2011); Newsletter 64
- Welsh Mines Society (Spr 2012); Newsletter 66
