[modeleng] Wireless OT
- From: "alanjstepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 3 Dec 2004 19:56:17 -0000
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.
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.
Other related posts:
