Photograph of electric switches, Southern California, 1935. "K. HP. R[ilg]tings, Polyphase, S. Phase; Class 8532, Type B1; Volts, Cycle; 8532-W, Form 993-F5, Order No.; [ilg]e-Phase, Two-Phase, Four-Wire, Two-Phase, Three-Wire, Single Phase; 3-Wire Control Momentary Contact Push Buttons, Start, Stop; Phase 2, Phase 1, Two-Wire Cntrol Maintained Contact, Motor, Fig[ure] 2, Fig[ure] 3, Fig[ure] 4; [ilg]ys re-set by pushing bar extending through side of cabinet. See enclosed instruction [nu]mber 84 for thermal relay data. [ilg]en ordering parts give Cat., No., Form, Order No., H.P., Volts, Phase and Cycle; [Squ]are D Company, [ilg]dustrial Controller Division, Milwaukee, Wis[consin], U.S.A., Printed in USA" -- signage on directions.