The directors may exercise all the powers of the company to borrow money without limit as to amount and upon such terms and in such manner as they think fit, and, subject to Section 80 of the Act applicable, to grant any mortgage, charge or security over its undertaking, property and uncalled capital, or any part thereof, and to issuedebentures, debenture stock, and other securities whether outright or as security for any debt, liability or obligation of the Company or of any third party.