There shall be provided by the City Council in each and every year a sum to be applied to the uses and purposes, and especially to the maintenance and extension of the library and reading room, in such manner as the Board of Directors shall determine. The amount of such appropriation shall be deposited in the City Treasury to the credit of the Library Fund, and shall be kept apart from other monies of the City, and drawn upon by the proper officers of the City upon the properly authenticated vouchers of the Library Board. (1944 Code § 303; 1997 Code)