
    E. H. Brown, trading as E. H. Brown Advertising Agency and as Radio Advertising System, appellee, v. Benjamin D. Ritholz, trading as Ritz Optical Company, appellant.
    Gen. No. 34,666.
    Heard in the first division of this court for the first district at the October term, 1930.
    Opinion filed March 2, 1931.
    Nathanson, Bloch & Sitron, for appellant; Harold J. Sitron and Walter J. Bloch, of counsel. Casper Hathan, for appellee.
   Mr. Presiding Justice Matehett

delivered the opinion of the court.  