Switches, Diamond Electrical Manufacturing Company Ltd., Southern California, 1931

2 photographs of retouched photographs of enclosed electrical switches, Diamond Electrical Manufacturing Company Ltd., Southern California, 1931. "Subject: copies of retouched switches; Agency: McCarty Co.; Client: Diamond D-; Original print order: 3#1, 1#2, 1 ea[ch]; Size: 8x10, 5x7; Finish: gl[ossy]; Mount: file prints; Re-order: 2#1, 10; Size: 8x10; Finish: gl[ossy]; Mount: 1 & 2 joined together; Year: 1931; Job: 10-7-26" -- on envelope front. "Extra charges: 4193A; Copies (Print Extra): 2 at 1.00, 2.00" -- on envelope back.