Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Diamond Jubilee of transatlantic radio, article
Full title - "The Spanning of the Atlantic by Wireless Telegraphy". Five page typescript on A4 paper with press release as firts page all attached by staple at top left hand corner. Press notice relating to special exhibition commemorating the Diamond Jubilee of transatlantic radio and above paper giving history of Marconi's research and experiments.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.