Instructions on diesel motors, National Electrical School, Southern California, 1934

Photograph of two men examining automobile motor, National Electrical School, Southern California, 1934. "Subject: Instructions on Diesel motors; Client: Nat[iona]l Electrical school, note #3,4 neg[ative]s sold; Original Print Order: 1 ea[ch]; Size: 8x10, 5x7; Finish: gl[ossy]; Re-Order: 6 ea[ch] #1,3, 1 #2; Year: 1934; Job: 10-9-58" -- on envelop front. "Form 102-10M, Purchase Order, Phone AXridge 9061, National Electrical & Automotive School 4259, 4006 So[uth] Figueroa St[reet], Los Angeles, Calif[ornia], To: Dick Whittington, Date: 10-9 1934, Quantity: 4, Article: Pictures with films to be del, Amount: 9.50" -- on purchase order front. "Operator's Report Name: Joe; 4 Original Photographs-Size: 8x10, 3 neg[ative]s sold; Amount: 9.50; Extra Charges: #4259" -- on envelope back.