Scope and Contents From the Series: 105 glass plate negatives and 44 celluloid negatives capturing aviation-related events in Los Angeles during the 1920s. The negatives include ten glass plate negatives of the landing and refueling of the Graf Zeppelin at Mines Field in Los Angeles in August 1929 as part of a three-week around the world flight. Newspaper publisher William Randolph Hearst's media empire paid half the cost of the project and arranged for four reporters to take part in...