Section 7. Vacancieys. Vacancies in any office may be filled by the board of directors. Section 8. Certain Duties and Powers. The officers designated below, subject at all times to these by-laws and to the direction and control of the board of directors, shall have and may exercise the respective duties and powers set forth below: The Chairman of the Board of Directors, The chairman of the board of directors, if there be one, shall, when present, preside at all meetings of the board of directors. The President. The president shall be the chief executive officer of the corporation and shall have general operating charge of its business. Unless otherwise prescribed by the board of directors, he shall, when present, preside at all meetings of the stockholders, and, if a director, at all meetings of the board of directors unless there be a chairman of the board of directors who is present at the meeting. The Treasurer. The treasurer shall be the chief financial officer of the corporation and shall cause to be kept accurate books of account. The Clerk. The clerk shall keep a record of all proceedings of the stockholders and, if there be no secretary, shall also keep a record of all.proceedings of the board of directors. In the absence of the clerk from any meeting of the stockholders or, if there be no secretary, from any meeting of the board of directors, an assistant clerk, if there be one, otherwise a clerk pro tempore designated by the person presiding at the meeting, shall perform the duties of the clerk at such meeting. The Secretary. The secretary, if there be one, shall keep a record of all proceedings of the board of directors. In the absence of the secretary, if there be one, ‘from any meeting of the board of directors, an assistant secretary, if there be one, otherwise a secretary pro tempore designated by the person presiding at the meeting, shall perform the duties of the secretary at such meeting. Section 9. Other Duties and Powers. Each officer, subject at all times to these by-laws and to the direction and control of the board of directors, shall have and may exercise, in addition to the duties and powers specifically set forth in |