Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter
Letter "re: French Patent No. 485997". Sent to C.H. Watkins of Walthamstow from A.A. Thornton, Chartered Patent Agent. Dated 10 April 1918.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.