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Etching brass

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Georgineer16/01/2021 15:03:57
489 forum posts
30 photos
Posted by Martin Connelly on 16/01/2021 09:25:09:

George B, I always remember the cathode in cathode ray tubes spit out negatively charged electrons so must be negative.

Martin C

That works for me, but it's a bit demanding for young teenagers , especially now that CRTs are basically museum pieces.

I did however manage to restrain myself from telling them that a cathode is a poem written in praise of a girl called Catherine. And that a triode has three verses. And...

I'm particularly proud of a card I was given by a school leaver thanking me for my help, "and especially for your jokes, even though I didn't understand most of them."

George B.

Russell Eberhardt16/01/2021 15:56:29
2623 forum posts
85 photos

I've used this for etching a brass clock face with great results:


Master was ink jet printed on overhead projector film. UV exposure was a few minutes in November sunshine in the South of France so perhaps a bit longer in the UK.


Diane Carney16/01/2021 16:26:10
410 forum posts
10 photos

Whilst I fully understand that there is a lot of time to be spent and, indeed, fun to be had by researching, drafting, collecting equipment, trying it out, obtaining a suitable 'mask', sourcing and purchasing the chemicals (for pre - during and post actual etching), finding somewhere where no other family member is ever going to tread to practise this sorcery and (if using ferric chloride) spending the best part of the following week trying to get the stuff off your hands, there is probably a far simpler way. I understand that some suppliers of etched brass plates are very approachable and charge very resonabl prices - and may even offer a small discount to readers of the M.E. community forum. No equipment needed other than a thumb nail sketch. Just saying ....


Michael Gilligan16/01/2021 17:23:02
17318 forum posts
786 photos
Posted by Robin Graham on 17/12/2020 21:42:02:

I would like to put a 'maker's mark' on a project in brass. […]


Horses for courses, Diane ?

... is it really appropriate to ‘outsource’ the Maker’s Mark ?

... Just wondering


Diane Carney18/01/2021 13:25:27
410 forum posts
10 photos

No, your'e right, Michael. Point taken.

I wasn't so much answering the OP, but the thread has rather gone into the usual territory of setting up to etch metal at home which so often involves huge effort, and sometimes expense, for often mediocre results. Not always, I hasten to add, but often.

Take care ... x

Michael Gilligan18/01/2021 17:41:04
17318 forum posts
786 photos

Thanks for that, Diane yes

In any other circumstances, outsourcing a tricky and malodorous job would be an excellent idea !


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