![](http://www.alamy.com/thumbs/6/4F45E06C-ACB9-464B-A3EC-AC02362E5B8F/2D6XJ9D.jpg)
H&H Arrow single pole push light switches mounted on a brass plate on a white wall; manufactured in the 1930s by Arrow-Hart & Hegeman Electric Co.
Size: 5784px × 3856px
Location: San Francisco, California, USA
Photo credit: © AztecBlue / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: &, ., 1930s, arrow, arrow-hart, base, brass, button, company, electric, electricity, hart, hegeman, incorporated, light, lights, lightswitch, plate, pole, porcelain, power, push, push-button, single, switch, switches, vintage