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Date: Thu, 03 Apr 2014 14:42:55 +0100
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Subject: Re: [geda-user] printing from PCB
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On 03/04/14 14:24, Richard Bown wrote:
> but the biggest headache is developer strength and temperature, when
> you mix in hot water, too much and it removes the etch resist.
> I find the feel of it between finger tips one of the best ways to judge
> the develop time, slippery but not slimey, and not enough to remove
> your finger prints
>
> Good fun:)
I found out the hard way I'm really allergic to developer... Sodium 
salycilate IIRC.

Hope you're wearing gloves ;)