Photograph of posters and magazines, Southern California, 1930. "LightWeight; 5 cylinder, 100 horsepower, approved certification; Mass Production; The Spur; 82 [ilg] aviation, selected [airpl]anes; Smooth Power, Kinner Airplane Motors, 5 Cyinder 100 Horsepower Approved Type Certificate N[umber], Glendale; 5 Cylinder, 100 horsepower approved certificate n[umber] 3, [s]limbabili[ilg] kninner, ariplane and motor, corporation, Glendale, Cali[fornia]; This Kinner Message is addressed to manufactures of 4 and 6 Place Planes; The Sportsman Pilot; Simplicity; Fifteen Cents, October 7, 1929, Time, The Weekly Newspaper; 82 Leading aviation schools selected training planes powered by Kinner in 1929; Aviation, The Oldest American Aeronautrical Magazine, Principal Mergers and Consolidations ;BAkelite and Simlilar Production; Regulating Air Control; Speed, Vol[ume] 12 N[umber] 5; May 1928; 25 cents; Aero Digest; October, 35 cents, Western Flying; Full 100 Horses; The Sportsman, November 1929; Air Transportation, The Trade JOurnal of Commercial Aviation; Not in [ilg], Wright [ilg] Cyclone [ilg] Engine; November 1929, Airway Age, Founded 1919, Cashing in; Kinner; Nation Wide Service, Kinner, 5 cylinder-100 horsepower, Kinner Airplane and Motor Corp[oration]; Vanity Fair"-- on magazines.