Rhif Archif
6205684
Disgrifiad
Correspondence concerning the Observatory at Penllegaer dated 1969-1970, with rough sketches drawn by D. Hague c. 1969.
Enw Casgliad
Additional Information
Cyfrwng
Text, Graphic.
Cychwynnwr
Mr Douglas B. Hague, RCAHMW
Dyddiad
1969 to 1970