Disc protector on Oliver, disc and copies for post cards, Southern California, 1934

2 photographs of disc protector on Oliver grain drill, Southern California, 1934. "Subject: Disc protector on Oliver, Disc and copies for postcards, See 8x10 neg[ative]s for originals; Client: Crown Sheet Metal, Losory; Original Print Order: 1 ea[ch], 24 ea[ch] (copies); Size: 8x10; Finish: gl[ossy], postcards (1.00 doz[en]); Job: 4-21-142; Year: 1934" -- on envelope front. "Operator's Report Name: Joe; 2 Original Photographs--Size: 8x10; 2 Copies @ 1.00; 2 Print Retouching; Amount: 5.50, 2.00, 1.50" -- on envelope back.