§ 262. Use of public and Indian libraries. Every library established under section two hundred fifty-five of this chapter shall be forever free to the inhabitants of the municipality or district or Indian reservation, which establishes it, subject always to rules of the library trustees who shall have authority to exclude any person who wilfully violates such rules; and the trustees may, under such conditions as they think expedient, extend the privileges of the library to persons living outside such municipality or district or Indian reservation.