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| Cossor 1039M oscillograph - a quick and dirty teardown |
| (1/1) |
| intabits:
A quick look at this Cossor 1039M oscillograph (England, 1952) that I picked up a while ago at a garage sale. See https://imgur.com/a/B26KJRo for captions to the images above It's very nicely made, and I think worthy of a restoration effort (including recapping, etc). I'll try to get onto that in the not too distant future... |
| hexreader:
An interesting historical artefact indeed. Looks cool in those pictures. I cannot believe how clean it looks. Once recapped, I would worry that most of the history will be lost, and you will have gained a truly terrible oscilloscope. As an oscilloscope it is worth nothing, but as a piece of history it is priceless. .... unless you can re-cap with genuine vintage replacements? If it were mine, I would leave the cover off, put it in a glass case and never power it up. Just my crazy random thoughts - feel free to ignore I remember playing with one of these at School 43 years ago - and it was old and horrible to use even then. The wax capacitors and white-body 10% resistors bring a tear to my eye though. |
| intabits:
You make very good points. I would love to get it going, but as you describe, I'd then have a crap CRO, with much of its appeal lost. I hadn't considered that, being too eager to just see a trace on the screen. I think I'll probably not ignore your post, and just clean this thing up a bit. (Not sure about a glass case, though.) And then I also don't have to consider the selenium issues. Thanks for the reality check! (There's lots of other junk around here that I could be directing my energies towards instead...) |
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