It may very well be a small Denver. If I'm correct, there where many different sizes the Hendrie and Bolthoff Company produced.EOWS 612 wrote:There's a mystery siren in Cameron, MO. It looks like a Sterling M-10 but it has four rotors. Before anyone says that it's a Denver siren, it's not. I've seen a Denver in person in this is much smaller, as stated before it's about the same size as a Sterling M-10.
here is a small one
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