Very interesting post chinghis....good job.
Here is a larger photo of the Mandarin Market gsjansen posted in #1671.
Northeast corner of Vine St. & LaMirada.
usc
Below: Pan-Gas service station at Washington Blvd. and Gramercy Place. (1928)
Notice the striped pole stop sign (the sign itself seems rather small).
usc
usc
Below: ELIXER service station at Washington Blvd. & Hoover. (1936)
ucla