Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
ROYAL CHARTER GRANTED 30/09/1970
AS AMENDED ON 23/07/1975
AS AMENDED ON 02/12/1975
AS AMENDED ON 10/10/1977
AS AMENDED ON 12/01/1979
AS AMENDED ON 08/07/1980
AS AMENDED ON 02/11/1981
AS AMENDED ON 25/01/1985
AS AMENDED ON 11/11/1998
AS AMENDED ON 16/03/2006
AS AMENDED ON 08/09/2011
Gwrthrychau elusennol
TO PROMOTE THE ADVANCEMENT AND DISSEMINATION OF A KNOWLEDGE OF AND EDUCATION IN THE SCIENCE OF PHYSICS, PURE AND APPLIED.
Maes buddion
Y maes y gall yr elusen weithredu ynddo, fel y nodir yn ei dogfen lywodraethu.
