After judging that l'd etched the aluminium long enough the final stage was to remove the accumulated layers of stop out (Speedball screen filler). This necessitates the use of methylated spirit and then cellulose thinners to finish and remove the most persevering of stop out - this l undertake in the back garden as the this is an unpleasant and hazardous stage.

These two pics show the gradual emergence of the etched image and striking in their own sense



After much wiping and finishing off with detergent the plate comes up to a state ready for printing from

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