What is this concrete object? It's along the Lehigh and Hudson River RR roadbed. It's about 30" in diameter. The other rusty object is the relay base for a single target signal.
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Most likely a battery well for the signal.
Rusty
Would every signal have one? The next signals about a mile each direction from this one don't have this. And why is there that metal ring around the top?
The ring would be a seal for the metal cover. I'm no signal expert, but I imagine one battery well might supply several signals if there's a power failure.
Rusty
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