On August 4, 1937, upon arraignment of the defendant he entered a plea of guilty and was sentenced to the State Reformatory at Buena Vista where he was received and discharged after serving said sentence. The following entry was made in the record at the time of the entry by defendant of the plea of guilty: "August 4, 1937. Defendants arraigned, furnished copy of information, names of jurors and witnesses. Information was read, penalty explained, after which each tendered a plea of guilty. Evidence taken. Defendants heard. Ordered that defendants and each of them be and he is hereby sentenced to an indefinite term in the state reformatory at Buena Vista."