Wed Dec 07, 2022 8:37 pm
That's a Fedelcode Type 3, at least that's what I call them. IIRC the 3HP Fedelcodes were shorter than the 5 and 7HP sirens.
Proud owner of a Fedelcode Mach. 3 (dual rotor), Model 2, 3 A’s, 2 D’s, J, 76A, Interstate Machines F, Sparton 35, & Darley C987
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25, engineer, and has an affinity for old sirens!