The link:
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is to a photo, circa 1940s, of a sign outside what was then called the Lockheed Air Terminal, now called Hollywood Burbank Airport and also known as Bob Hope Airport. The sign is for the Sky Room Cafe, which was in the second level of the airport control tower. The tower caught fire in 1966 and the restaurant was destroyed and never reopened.
To the right of the sign pole is a shorter, dark tube with what looks a baffle at the top. What is that? I still see those from time to time, although right now I can't remember where I've seen one lately.