2 Nov 2016

Some early history

See http://earlyradiohistory.us/1902stu.htm

Looking back on my very early blog entries from 2008 I noticed this entry for "Telephoning Without Wires" from 1902. This used conduction through the ground.
at 19:00
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1 comment:

Anonymous said...

Hi
I was watching float last week, they were at the Royal Signals School Blanford. There was a interlude
feature about battle field communications from semaphore to digal coms. The curator was talking about ground conduction field Telephones during the first world war, and how the Germans could listen in on our conversation. You shoul be able to get it on iplayer.
NB did you see the first night Television on BBC 4 last night.

Tony

Thu Nov 03, 09:50:00 am GMT

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