All votes for Representatives in Congress must be by written or printed ballot, or voting machine the use of which has been duly authorized by the State law; and all votes received or recorded contrary to this section shall be of no effect.
R.S. § 27 derived from acts Feb. 28, 1871, ch. 99, § 19, 16 Stat. 440, and May 30, 1872, ch. 239, 17 Stat. 192.