The appellate jurisdiction of the supreme court extends to all cases at law and in equity.
§ 3-2-203, MCA
En. Sec. 20, C. Civ. Proc. 1895; re-en. Sec. 6252, Rev. C. 1907; re-en. Sec. 8804, R.C.M. 1921; Cal. C. Civ. Proc. Sec. 52; re-en. Sec. 8804, R.C.M. 1935; R.C.M. 1947, 93-215.