The purpose of this act is to take from the county clerks, city, school and township officers, in the counties to which this act applies, all power and authority now exercised by them in relation to the supervision, conduct and control of elections within each county to which this act applies, and it is hereby made the duty of all public officials to cooperate fully with the election commissioner in response to any written request made to them by said election commissioner to the end that the declared purposes of this act be made fully effective.