Homebrew_PCBs

On 30/09/2015 10:53, 'Dave G4UGM' dave.g4ugm@... [Homebrew_PCBs]
wrote:

> When did etch resist pens come in? Pretty sure they were around in 1972.

I vaguely remember using a Decon Dalo pen around then (they are still
available), but I could be wrong. I found that cellulose paint made
easier to use by mixing it with thinners worked better, and was much
cheaper.

Leon
--
Leon Heller
G1HSM