"Pole and Paddle" semaphores

NW Mailing List nw-mailing-list at nwhs.org
Wed Aug 7 09:44:34 EDT 2013


On 8/5/2013 10:07 PM, NW Mailing List wrote:

Ed:

All clear. Thanks. Frank

> Frank =

> That's a train order signal and has two arms, one for each direction;

> if one of the arms is horizontal, the signal light will be red and

> will tell the approaching train that there are train orders to be

> picked up. When the arm is hanging down, the light is green

> indicating no orders. These signals have nothing to do with the

> automatic block signal system.

> EdKing

> *From:* NW Mailing List <mailto:nw-mailing-list at nwhs.org>

> *Sent:* Monday, August 05, 2013 3:04 PM

> *To:* NW Mailing List <mailto:nw-mailing-list at nwhs.org>

> *Subject:* Re: "Pole and Paddle" semaphores

> *Ed:**

> **

> **Thanks. I am referring to the 2-arm semaphore as in the p. 32 photo

> in your**_N&W in the Appalachians_**. I do not know the correct

> nomenclature for this device, which is why I put "pole and paddle"

> within quotation marks. Can you tell me the correct designation?**

> **

> **In N&W literature I find this top-of-the-pole, 2-arm (paddle) device

> commonly pictured outside telegraph offices--at interlocking towers

> and many (not all) stations. I believe I have read that they were

> integral to the telegraph block system predating the automatic block

> system.**

> **

> **So you are saying, I think, that the p. 32 devices, erected before

> ABS, were not deactivated with the coming of ABS, but in fact

> soldiered on even with ABS.

>

> **I am modeling Boaz-to-Bedford, and photos verify the Villamont

> interlocking tower and all stations (except the Bedford freight house)

> with devices as on your p. 32. Not static at all, I believe you are

> saying, but operating still mid-century in connection with telegraph

> offices.**

> **

> **Rail signaling strikes me, not a student of the field, as rather

> bewildering**, so here's a salute to you and others who can unscramble

> the field for **the untutored.

> **

> **Frank**

> **

> *

>

> ------------------------------------------------------------------------

> ________________________________________

> NW-Mailing-List at nwhs.org

> To change your subscription go to

> http://list.nwhs.org/mailman/options/nw-mailing-list

> Browse the NW-Mailing-List archives at

> http://list.nwhs.org/pipermail/nw-mailing-list/

>>

>>

>> ________________________________________

>> NW-Mailing-List at nwhs.org

>> To change your subscription go to

>> http://list.nwhs.org/mailman/options/nw-mailing-list

>> Browse the NW-Mailing-List archives at

>> http://list.nwhs.org/pipermail/nw-mailing-list/

>

> ------------------------------------------------------------------------

> ________________________________________

> NW-Mailing-List at nwhs.org

> To change your subscription go to

> http://list.nwhs.org/mailman/options/nw-mailing-list

> Browse the NW-Mailing-List archives at

> http://list.nwhs.org/pipermail/nw-mailing-list/

>

>

> ________________________________________

> NW-Mailing-List at nwhs.org

> To change your subscription go to

> http://list.nwhs.org/mailman/options/nw-mailing-list

> Browse the NW-Mailing-List archives at

> http://list.nwhs.org/pipermail/nw-mailing-list/


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://six.pairlist.net/pipermail/nw-mailing-list/attachments/20130807/8ee34c66/attachment.html>


More information about the NW-Mailing-List mailing list