Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
CIO - Association Registered 27 Nov 2014
Gwrthrychau elusennol
THE ADVANCEMENT OF EDUCATION AND RESEARCH INTO THE HISTORY OF ALL TYPES OF SELF PROPELLED STEAM ENGINES (OTHER THAN THOSE RUNNING ON RAILS) AND THOSE TYPES OF STATIONARY STEAM ENGINES KNOWN AS PORTABLE ENGINES BUILT, USED OR PRESERVED IN THE UNITED KINGDOM, FOR THE PUBLIC BENEFIT.
