Adroddiadau ar chwareli llechi,
- NLW MS 11033E.
- File
- 1868-1888 /
Papers from the library of O. J. Hughes, estate agent, Nantlle, including versions of a report, 1888, on the Llwyngwern Slate and Slab Quarry, Corris, Merioneth, together with monthly particulars of production, profit or loss, etc., 1886-8; a report on Daren y Gessel Slate and Slab Quarry, Pennal, Merioneth, signed by O. J. Hughes; and an incomplete essay (19 pp.) entitled 'Traethawd ar lechfaeni Nant Nantllef', 1868.
Hughes, O. J., Nantlle, fl. late 19 cent.