They invented, therefore, another method of issuing their promissory notes; by granting what they call cash accounts, that is, by giving credit, to the extent of a certain sum (two or three thousand pounds for example), to any individual who could procure two persons of undoubted credit and good landed estate to become surety for him, that whatever money should be advanced to him, within the sum for which the credit had been given, should be repaid upon demand, together with the legal interest.