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6/10 Port Siren "Decot Model DT-16"

The Decot Model DT-16 is a fictional siren, but a mix of a D.E.W. 6/10 prototype and a 5T. The Decot part of the name is from the port ratio. The DT (Dual Tone) comes from the T in 5T, the 3 main vanes on the rotor, and Model in the name.…