Draft notes on circles at Newydd Fynyddog, Llanbrynmair, by Col. W Ll. Morgan and John Griffith, with letters by both authors to a Mr. Owen, dated c. 1910.
Cofnod Casglu
Additional Information
Cyfrwng
Text.
Cychwynnwr
Col. W. Ll. Morgan, John Griffith, Royal Institute of South Wales
