Fritz

This is an appeal from a judgment of conviction of attempted escape from jail (Pen. Code, §§ 664 and 4532subd. (b).)

In an information filed in Los Angeles County on July 2, 1965, defendant was charged with violation of sections 664 and 4532, subdivision (b), of the Penal Code, in that he did on June 6, 1965, attempt to escape from the Los Angeles County main central jail while confined therein as a prisoner of the sheriff, having been charged with a felony. It was further charged that defendant previously had been convicted of grand theft and of issuing checks without sufficient funds, felonies, in September 1953, and had served a term of imprisonment therefor in the state prison; that, also, at about the time last mentioned, he had been convicted of kidnaping and had served a term in prison therefor, and that in January 1965, he had been convicted of the crime of robbery and the *56 judgment therein was that he serve a term therefor in the state prison. Defendant pleaded not guilty and admitted the first two charged prior convictions. The third charged prior conviction was stricken. Defendant represented himself at the trial before a jury and was found guilty as charged. He was…