Hi Adrian (in the UK I think) I think you will find the designation WS.7 is
a UK Military type number. Try and search vintage military radio.
Lovely beasties, I have not seen that configuration and they are probably
quite early in the use of quartz in sets on a manufacturing scale
BestWishes
Alan
G3NYK
----- Original Message -----
From: "Adrian Godwin" <artgod...@gmail.com>
To: "Discussion of precise time and frequency measurement"
<time-nuts@febo.com>
Sent: Saturday, November 26, 2016 12:40 PM
Subject: Re: [time-nuts] Vintage Quartz Crystal Manufacturing
I bought some old crystals on ebay :
http://www.ebay.co.uk/itm/122225114483
Is anyone familiar with this style ? I don't think the quartz is visible
in
the glass section : I imagine that's just an insulator. I think the quartz
is under a brass disc, with a sping to hold the disc down visible through
the glass.
Does anyone know what the reference marked on them "w'less sets No 7"
refers to ?
On Mon, Sep 26, 2016 at 6:50 AM, Mark Sims <hol...@hotmail.com> wrote:
Can you say "Mr Rogers' Neighborhood?" I knew you could...
He (along with creepy Mr McFeelie) always ran segments on how some item
was made. Geared towards pre-schoolers, but always worth watching.
---------------------
Compare the Science channel's new "How Do They Do It" to the older "How
It's Made"
shows.
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