Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter
Letter dated June 25th 1920 sent by A.A. Thornton (Chartered Patent Agent) to C.H. Watkins (37 Dartmouth Road, Hendon, NW4). Relates to fee for patent no. 107254 (1916) and patent application no. 22090/19.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.