Here is a great view of the interior of a barber shop at 262 No. Vermont Avenue, Los Angeles. (1920s or 1930s?)
I've never known a barber shop that had a beauty parlor located in the back.
detail
below: various close-ups
below: are the white porcelain basins spittoons?
below: a nice wall sconce.
...and last but not least, a short message and the address.
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