![](http://www.alamy.com/thumbs/6/6DC37984-8FFD-4712-ABA9-81B91EA040F9/2D6XJA4.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: 5910px × 3940px
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