"Phil Witt" wrote in message
...
On Fri, 12 Sep 2003 13:48:45 GMT, David Stinson
wrote:

Many boxed tubes, A Hammarlund speaker, others:

http://cgi6.ebay.com/ws/eBayISAPI.dl...ms&userid=arc5

Thanks for looking.

That Kellogg phone should do well. Hammarlund speaker, too. Neat
items.

I assume the trench telegraph set is a Fullerphone:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=2190977 224

Please explain how these worked, and why they were used in preference to
wires. TIA.

Bill