[modeleng] Re: Wireless OT
- From: "Pendragon" <idpriest@xxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sat, 4 Dec 2004 14:48:27 -0000
John,
Do the people of Wychbold think it ought to have been called the
Wychbold transmitter or is that just a Bromsgrove / Droitwich thing.
Regards,
IP
Priest & Sons Model Engineers
http://www.kinvermes.pwp.blueyonder.co.uk/p1.htm
-----Original Message-----
From: modeleng-bounce@xxxxxxxxxxxxx
[mailto:modeleng-bounce@xxxxxxxxxxxxx] On Behalf Of John Pagett
Sent: 03 December 2004 20:48
To: modeleng@xxxxxxxxxxxxx
Subject: [modeleng] Re: Wireless OT
Alan,
I have a copy of the press release for the opening of the Droiwtich
transmitter which states
"The new 150-kilowatt "national" broadcasting station of the British
Broadcasting Corporation was opened on September 6th and will entirely
supersede the old 30-kilowatt 5XX at Daventry....."
From the documentation this would be 1934.
I didn't think Baird's system was 405 line -I'm sure it was about 30
vertical lines. I know the BBC used Baird's and the Marconi Company's
systems alternately, and eventually went with Marconi's.
There is a feeling in Bromsgrove that the transmitter, which is at
Wychbold, should have been named "Bromsgrove" because it is slightly
nearer than Droitwich!
Any help?
JohnP
alanjstepney wrote:
> I know we have several radio enthusiasts among the members here, and
> one of
> them might have some ideas on the following.
>
> I recently picked up an old copy of Newnes Wireless Constructors
> Encyclopaedia, edited by F.J.Camm.
> In typical Newnes / Camm fashion it is undated, and I am trying to get
an
> idea of its vintage.
>
> Valves are mentioned and shown. The most complex base if the old
> British 7
> pin (was it B7B), and nothing about Octal (International or Mazda.)
>>From that, I assume it is pre-war.
>
> Television is also mentioned. All mechanical scanning, and nothing
> that
> resembles the old Baird / 405 line system.
>
> Among methods of producing television are SCOPHONY, and NOCTOVISION.
> Both
> being unfamiliar to me.
>>From these I would put it in the 1930's, but even so, would have
>>expected
> some mention of Bairds TV.
>
> The only British broadcasting stations are, Daventry on 193kcs, and 12
> in
> the medium wave, including Miidlands, regional, North regional, etc.
> No mention of Rugby, Droitwich, or any of the "old familiar" places.
>
> Anyone have any clues / guesses, as to its age?
> alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> www.alanstepney.info
> Model Engineering, Steam Engine, and Railway technical pages.
>
>
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