[GreenKeys] Fire Telegraph

[Nick]

Very impressive, especially the effort and manpower to help others.

Nick  -  N0NCQ



Sent from my T-Mobile 4G LTE Device


-------- Original message --------
From: Richard Knoppow <1oldlens1 at ix.netcom.com>
Date: 11/27/17 12:31 AM (GMT-05:00)
To: greenkeys at mailman.qth.net
Subject: [GreenKeys] Fire Telegraph

    A video on You Tube shows a c.1920s fire alarm system in Brooklyn N.Y.

https://www.youtube.com/watch?v=dQLlJVagmOs
--
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL
______________________________________________________________
GreenKeys mailing list
Home: http://mailman.qth.net/mailman/listinfo/greenkeys
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:GreenKeys at mailman.qth.net

2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20171127/be6de7bb/attachment.html>