ions, Memorials, Letter books, and other papers which now are or hereafter shall be in any of the offices of the Principal Secretaries of State, or which shall or may belong to the same, and shall happen to be found in the hands of any other person whatsoever; all loco George Tilson, lately deceased, with the yearly fee or salary of 400l. with a maximum allowance of 100l. for clerks and incidents: