Switch puzzle

NW Mailing List nw-mailing-list at nwhs.org
Sun Mar 3 15:51:57 EST 2013

Looks like a by-pass switch on a funicular (Cable up the mountain) Barney Barnier

Please note: message attached

Return-Path: <nw-mailing-list-bounces at nwhs.org>
Received: from mx08.dca.untd.com (mx08.dca.untd.com [])
by maildeliver09.vgs.untd.com with SMTP id AABJVHHU6AXXFA9A
for <barneyb49 at juno.com> (sender <nw-mailing-list-bounces at nwhs.org>);
Sun, 3 Mar 2013 11:02:53 -0800 (PST)
Authentication-Results: mx08.dca.untd.com; DKIM=NONE
Received-SPF: None
Received: from six.pairlist.net (six.pairlist.net [])
by mx08.dca.untd.com with SMTP id AABJVHHU6AH883B2
(sender <nw-mailing-list-bounces at nwhs.org>);
Sun, 3 Mar 2013 11:02:52 -0800 (PST)
Received: from six.pairlist.net (localhost [])
by six.pairlist.net (Postfix) with ESMTP id EEC0B1A0;
Sun, 3 Mar 2013 14:02:49 -0500 (EST)
X-Original-To: NW-Mailing-List at lists6.nwhs.org
Delivered-To: nw-mailing-list at six.pairlist.net
Received: from colima.pair.com (colima.pair.com [])
by six.pairlist.net (Postfix) with SMTP id 1731A2D
for <NW-Mailing-List at lists6.nwhs.org>;
Sun, 3 Mar 2013 12:12:52 -0500 (EST)
Received: (qmail 16201 invoked by uid 3021); 3 Mar 2013 17:12:52 -0000
Delivered-To: nwhsweb-nwhs:org-nw-mailing-list at nwhs.org
Received: (qmail 16198 invoked from network); 3 Mar 2013 17:12:52 -0000
Received: from mailwash32.pair.com (
by colima.pair.com with SMTP; 3 Mar 2013 17:12:52 -0000
Received: from localhost (localhost [])
by mailwash32.pair.com (Postfix) with SMTP id 778FB10A732
for <nw-mailing-list at nwhs.org>; Sun, 3 Mar 2013 12:12:52 -0500 (EST)
X-Whitelisting: sender whitelisted by rule [.*@cox\\.net]
Received: from eastrmfepo103.cox.net (eastrmfepo103.cox.net [])
by mailwash32.pair.com (Postfix) with ESMTP id 3089110A72F
for <nw-mailing-list at nwhs.org>; Sun, 3 Mar 2013 12:12:52 -0500 (EST)
Received: from eastrmimpo305 ([]) by eastrmfepo103.cox.net
(InterMail vM. 201-2260-137-20101110) with ESMTP
id <20130303171251.ICYM23841.eastrmfepo103.cox.net at eastrmimpo305>
for <nw-mailing-list at nwhs.org>; Sun, 3 Mar 2013 12:12:51 -0500
Received: from DellVostro ([]) by eastrmimpo305 with cox
id 75Cq1l00F3Z39X4015Cq7y; Sun, 03 Mar 2013 12:12:51 -0500
X-CT-Class: Clean
X-CT-Score: 0.00
X-CT-RefID: str=0001.0A020203.51338493.0173,ss=1,re=0.000,fgs=0
X-CT-Spam: 0
X-Authority-Analysis: v=2.0 cv=IelZrxWa c=1 sm=1
a=QY8eGHOqGnoy/2aE4Pqb2A==:17 a=G8Uczd0VNMoA:10 a=kviXuzpPAAAA:8
a=_KofiQb-wgEA:10 a=1Zymjiq81Yv1FVlqbYgA:9 a=wPNLvfGTeEIA:10
a=nMP7Ml0rVQUO2J-CDpsA:9 a=_W_S_7VecoQA:10 a=prXisT6Tx_K1rWVC:21
a=RqOAJGx8AAAA:8 a=SSmOFEACAAAA:8 a=qxHgGq1h93wtqw1jKIQA:9
a=-luOetJctNTDykkW:21 a=uEjUykuKQG7tQ7OQ:18
X-CM-Score: 0.00
Authentication-Results: cox.net; none
Message-ID: <85CEBD22D1C44903AC1DBE61317C5706 at DellVostro>
To: "3N&W Mailing List" <nw-mailing-list at nwhs.org>
Subject: Switch puzzle
Date: Sun, 3 Mar 2013 12:12:57 -0500
MIME-Version: 1.0
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.5931
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157
X-Mailman-Approved-At: Sun, 03 Mar 2013 14:02:45 -0500
From: NW Mailing List <nw-mailing-list at nwhs.org>
X-BeenThere: nw-mailing-list at nwhs.org
X-Mailman-Version: 2.1.9
Precedence: list
Reply-To: NW Mailing List <nw-mailing-list at nwhs.org>
Content-Type: multipart/mixed; boundary="===============0706559623=="
Sender: nw-mailing-list-bounces at nwhs.org
Errors-To: nw-mailing-list-bounces at nwhs.org
X-UNTD-BodySize: 58002
X-ContentStamp: 2:2:3770269250
X-UNTD-Peer-Info:|six.pairlist.net|six.pairlist.net|nw-mailing-list-bounces at nwhs.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://six.pairlist.net/pipermail/nw-mailing-list/attachments/20130303/98e1e277/attachment-0001.html>
-------------- next part --------------

This image has appeared repeatedly in a switch manufacturer's ad in various railroad trade journals. It appears to offer three different routes through it. Can anyone explain where such a switch would be used?

Gordon Hamilton
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://six.pairlist.net/pipermail/nw-mailing-list/attachments/20130303/98e1e277/attachment-0001.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/jpeg
Size: 41113 bytes
Desc: not available
Url : <http://six.pairlist.net/pipermail/nw-mailing-list/attachments/20130303/98e1e277/attachment-0001.jpe>

More information about the NW-Mailing-List mailing list