Upon the trial, copies of the records transmitted to the warden of the penitentiary relative to the former trial of inmates, shall be presumptive evidence of the former conviction.
Code 1858, § 5538 (deriv. Acts 1829, ch. 38, § 30); Shan., § 7557; Code 1932, § 12156; T.C.A. (orig. ed.), § 41-718.