case Wilkinson against stern if a person indebt by mortgage and bind pay money  to his creditor general the creditor may apply it in discharge either of the  mortgage or bind in this case the defendant be indebt to the plaintiff  testator by mortgage and bind and a dispute arise about the payment of one  hundred pound by the modern report er p defendant to the testator whether it  shall be apply to the discharge of one of the bind or only to pay the interest  due upon the mortgage the plaintiff before the master produce a pocketbook of  the testator in which he have enter a memorandum about a fortnight after the  receipt of the money that it be in part of the interest due upon the mortgage  the master admit the book to be evidence of the application of the money  whereupon the defendant except to the report and insist that the book ought  not to be receive as evidence especial as the entry be not make at the time of  the payment of the one hundred pound but at the same time he produce no  evidence beside his own oath that he pay the one hundred pound in discharge of  one of the bind and his counsel cite the maxim whoever to loosen to loosen  secundum manner to loosen modern report and the case of man v western a vern a  be cite on the other side Hardwicke Lord chancellor the distinction be this  where a man be indebt by mortgage and bind and pay money to his creditor he  must make the application and declare to which debt be apply the money at the  very time he pay it and he can make the application afterward but his creditor  may make the application any time after a general payment by his debtor so as  he do it before a account settle between they and there have be abundance of  case upon this distinction and I be clear that the pocketbook of the plaintiff  testator be to be admit as proper evidence and there can be better evidence to  that end for it be not to prove the truth of the payment for that be admit on  both side but only to prove the application of the money and as the testator  if he have be live may apply it to which security he please even now so  undoubted his handwriting shall prove and as this entry be make thirteen or  fourteen year before this suit it can be suppose to be dress up to serve any  particular purpose