All bonds that have heretofore been or may hereafter be legally authorized and issued by a vote of the electors in any township in this state shall be a claim against all the property, personal and real, in said township, for the payment of the principal and interest of said bonds, and shall be a claim upon all the taxable property, personal and real, contained within the boundaries of such township at the date of the voting of such bonds, whether the same be now part of such township or detached therefrom.