The Boards of County Election Supervisors shall at once proceed to appoint three Judges of Election for each election precinct in their respective counties; and the Judges shall appoint three Election Clerks for their respective precincts, all of whom shall be good, competent men, and take an oath as prescribed above. Should the Judges of any election precinct fail to attend at the time and place provided by law, or decline to act, the assembled electors shall choose competent persons, in the manner provided by law, to act in their place, who shall be sworn as above.