The powers, authorities, obligations, directions, and jurisdiction of the trustees—
(a) to mortgage the land together with all rights and appurtenances to any person to secure the repayment of any moneys raised by the trustees and interest and charges thereon; or
(b) in respect of the application of proceeds of any such mortgage, referred to in paragraph (a); or
(c) to lease the said land or any part thereof, or of the building thereon or any part thereof, together with all rights of way and other rights and appurtenances thereto; or
(d) in respect of the application of proceeds of rent received under any such lease;shall be as is contained in the schedule of trusts.