21. The Board shall with respect to any such endowment have all such powers as it would have had if it had been named as trustee in the instrument creating the endowment, and in any case may —
appoint and remove any employee of any such endowment;
receive and collect the income of the endowment;
expend the income —
in defraying the expenses of the management of the endowment and of the Board; and
in carrying out the purposes of the endowment;
raise funds by means of voluntary subscriptions, donations or contributions for the purposes of exercising its powers, performing its duties and discharging its obligations under this Act; and
promote or undertake publicity in any form.