[CW] SOS Timeline/ Poulsen transmitter
Henry Mei'l's
meils at get2net.dk
Tue Feb 22 02:16:22 EST 2011
I wrote an article on Danish amateur radio and radio in general,
where I mention Poulsen and Pedersen, in CQ Magazine, early 70's.
I could do a scan if anyone's interested
73
HM
OZ3O (OZ1UF OU5T) N2NR
----- Original Message -----
From: D.J.J. Ring, Jr.
To: CW Reflector
Sent: Monday, February 21, 2011 11:27 PM
Subject: [CW] SOS Timeline
I came across a google time line search. I was searching for articles on the Telegraphone an early wire recording device invented by Danish engineer and inventor Valdemar Poulsen - he invented the arc transmitter also.
http://www.google.com/search?q=sos&hl=en&safe=off&prmd=ivns&sa=X&ei=MOViTYb-NYGs8Aado93kCw&ved=0CHEQpQI&tbm=&tbs=tl:1,tlul:1850%20AD,tluh:2011
David J. Ring, Jr., N1EA
SOWP, VWOA, OOTC, FISTS, CW-Ops, JARL-A1, A1-OP, ex-FOC 1271 ARRL-LM
Chat Skype: djringjr MSN: djringjr at msn.com AIM: N1EA icq: 27380609
Radio-Officers Google Group -- Marine Morse Historic Recordings Page
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