Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter
Letter sent from the Director of Scientific Research at the Admiralty to C.H. Watkins. Dated 29th March 1932. Typed on white paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.