N&W Hooter whistle

NW Mailing List nw-mailing-list at nwhs.org
Mon Dec 13 22:34:03 EST 2010

So what is the difference when higher pressure steam is applied? Is there a
change in tone or just volume?

Don Trettel


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Subject: FW: N&W Hooter whistle



Larry Evans
Eddie Mooneyham

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