Tests for fine grain, Dick Philippi, Los Angeles, Calif., 1937

34 photographs and one print of a man with and without a hat, probably in Los Angeles, California, 1937 February 17. "Client: Whittington; #17 developed in Kodak - hardened in chrome alum; #19 hardened in chrome alum then developed in Edwald 20; 22 developed in edwald 20 - then hardened in chrome; all washed a minimum" - on envelope