Re: Keeping copper tubing new looking

["Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Tesla list wrote:
> 
> Original poster: "Kevin R Eldredge" <kreld-at-juno-dot-com>

>   After just building a new copper tubing primary, and looking at one of
> my older tarnished copper primary coils, I wonder if anyone has tried any
> technique for keeping the oxidation off? (other than the nasty steel wool
> treatment)
>   I'm trying a coat of light machine oil as I use on my cast iron power
> tools to warrant off oxidation, has anyone tried this?

Why not a layer of varnish? Shellac varnish applied to slightly warmed
polished metal looks very well, dries immediately, and is easy to 
remove if you want. Just leave uncoated the area that you will use for 
tuning.

Antonio Carlos M. de Queiroz