The building with the windmill is a Van de Kamp's Holland Dutch Bakery. Established in 1915, the company had 320 locations in the Western U.S. by 1930. The company was sold in 1979 and closed due to bankruptcy in 1990.
As he often does in these shorts, James A. FitzPatrick has himself photographed and inserted into the film - this time examining the back lot sets at MGM and greeting Walt Disney.
At the time, Los Angeles was home to Paramount, RKO (Radio-Keith-Orpheum), Fox, Universal, Warner Brothers, Columbia, United Artists, and MGM (Metro-Goldwyn-Mayer) movie studios, which controlled around 95% of the market.
It was stated that California is the fifth largest city in the U.S. Since 1984, when its population passed Chicago, it has been the nation's second largest city behind New York City.
This short film is available on the Sylvia Scarlett (1935) disc of the Warner "100th Anniversary Collection - Katharine Hepburn".