Elusen gysylltiedig 207043-83 SCIENTIFIC RADIO FUND
Dogfen lywodraethu
LETTER DATED IN NOVEMBER 1961
Gwrthrychau elusennol
1) TO FINANCE THE UNION RADIO SCIENTIFIC INTERNATIONAL. 2) THE ADVANCEMENT OF ELECTRONIC SCIENCE.
Maes buddion
NOT DEFINED
Hanes cofrestru
22 Ionawr 1963 : Cofrestrwyd
16 Gorffennaf 2009 : Tynnwyd