Set ups for mixing gelatine like composition in wells at Santa Fe Springs, also zublin bit, Southern California, 1929

13 photographs of set ups for mixing gelatine like composition in wells at Santa Fe Springs, also a zublin oil well drilling bit, Southern California, 1929. "Subject: Set ups for mixing gelatine like composition in wells at Santa Fe Springs, also zublin bit; Agency: McCarty Co., #11804; Client: Calif[ornia] Gale Co., Mr. Dunsmore; Original print order: 1 ea[ch], 1 E[a]ch; Size: 8x10, contact; Finish: gl[ossy]; Re-order: 1 ea[ch], 4 ea[ch] #5, 10, 9, 11, 13; Size: 8x10, 5x7; Finish: gl[ossy]; Year: 1929; Job: 10-4-27" -- on envelope front. "Extra charges: Mr. Dunsmore; Hours: 6 1/2, Time at 1.50, Regular, 9.75; Original photographs-Size: 13 at 1.00, Out of City, 13.00; Operator's report (Name): Joe" -- on envelope back.