HISTORY:
Sustainability is the name of the game! Anything (that has been tested and still functioning properly) should be repurposed creating saving in wasted Ee and reducing the poisoning our environment when items are buried in the earth at the local tip needlessly.
Never heard of Ee? It is a concept that creates a measurement of ALL things (not just electronics) that humans have made and the energy used in obtaining the raw material, processing the materials right through to a finished product and even should include the shipping of the item to the distributors/retailers.
If you would like to know more about Ee values, please take a look HERE
"She" is not pretty but still in basic sound condition - I hate the idea of throwing out "possibly useful" vintage bits and pieces so it is being offered here.
The asking price is ZERO but in order to have this shipped for free, the order value must exceed A$75
So let's get down to telling a little about this oscilloscope (now completely parted out)
Oh, why part it out?
My intention was to bring it back to "as new" condition but a colleague heard that I had this instrument and was desperate for the CRT - an old (very hard to find) EMI electrostatic CRT, I needed something he had so the poor old Taylor had the CRT removed and we did the swap.
TAYLOR INSTRUMENTS - CATHODE RAY OSCILLOSCOPE
Model: 31A
SPART PART ONLY - NOT THE COMPLETE UNIT
Designed & Made in England
Circa 1950's (First released 1953)
Reputed to be a high quality, reliable manufacturer of test equipment, the company was purchased by AVO (another famous name) in 1958 and not long after that, Thorn Industries purchased AVO!
SPARE PART ON OFFER - FRONT PANEL/FASCIA
The front panel material is a plastic or "perspex like"
At the rear of this panel, the labelling has either been printed on or etched/infilled in White. It feels rough to the touch and I can see a slight despression around the lettering when viewed from the rear.
Finally the rear has been coated (sprayed?) to provide a background for the panel.
CONDITION:
She doesn't look great but there is potential!
The obvious wear to the rear background coating is where the controls came into contact with the panel. If you imagine all the knobs/controls being fitted then you really wouldn't see that damage to the rear coating
OR
respray the whole back of the panel in a similar Olive Green/Gunmetal Grey to the original.
The all important lettering/labels for the controls is NOT substantially damaged at all. Yes, a bit of yellowing here and there but overall in pretty good shape.
NO scratches at all
NO cracking!
Not sure what type of plastic was used for the front panel, it is a bit early for "modern" plastics and I remember those old plastics used on radiograms/stand alone receivers were particularly flammable, so be careful with flame nearby and it would be good idea to check that any spray paint applied was not going to react with this plastic.
I have now carefully placed this front panel onto stiff cardboard and completely sealed it in clear plastic with bubblewrap cushioning.
Oh, if you are "into" old test equipment, you may be wondering what else was inside ...
Emitron Cathode Ray Tube
Emitron was a trading name used by EMI. Emitron were major manufacturers of CRT and Broadcast Camera Tubes in Britain.
4 inch circular display area
White phosphor with a green trace standard (you could get a blue trace model upon request)
Dimensions: 16 inches long x 3 inch neck (no taper)
NO rear pins as you would expect, this CRT used a special Socket & Plug connection arrangement (see photographs)
Rear connection sockets are marked not with pin numbers but function designation
X1 Y1 G C H H A1 A2 Y2 X2 A3
Connecting plugs are made of brass and rather similar to a split pin
EHT supply was 1200V
Electrostatic deflection system
As for the vacuum tubes:
1x ECL80
3x Osram Z309
2x 12AT7
2x Osram Z77
1x 5V4G
A nice piece of British electronic test equipment history!
