[modeleng] SW board

From: "John Pagett" <john_pagett@xxxxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Date: Sat, 12 Jan 2008 21:08:14 -0000

I always thought that the "SW" board on the approach to tunnels etc was for 
"Sound Whistle", but I read something the other day suggesting it was "Short 
Whistle".

Can anyone on the list put me right? Ok it'll take more than that to put me 
right, but you know what I mean!

JohnP 


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[modeleng] Re: SW board
From: Ron Head

[modeleng] Re: SW board
From: IAN BRAMBLE

[modeleng] Re: SW board
From: clif.gwr

[modeleng] SW board

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