1930s Set и Art Deco Set . Paul Colin, Philips lightbulb ad, 1920-30s William Welsh, Spring, 1930 William Welsh, Summer, 1931 William Welsh, Autumn, 1930 William Welsh, Winter, 1931 Ernest Wamsley Lewis, New Victoria Theatre,1930 Emil A. Schuelke, cocktail shaker, 1936 C.R., The Beauty of Grey…