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These prints are made by first taking photographs of the subject making sure that it is suitable for the technique-no soft tones, or blurred lines. The negatives where developed, and then made onto large transparent positives in the darkroom, several for the same image, with varying degrees of contrast. When dry they were cut up and collaged together and painted on with opaque paint.
A metal plate was degreased with chalk and water, dried, and coated with circuit resist. The transparent positive was placed on the plate in a light box, and the plate exposed to ultra violet light.
The plate was then put in a large resin box, where a revolving paddle would throw up resin dust, which then settles on the plate.
The plate was carefully taken out and put on a wire stand, and heated by a taper held underneath it. When cool the back of the plate was painted with stop-out and then put in a bath of Hydrochloric acid.
This process was repeated until all the tones wanted were on the image, the plate painted over by hand each time.
When the image is complete the coloured inks were rubbed into the plate separately and damp paper was placed over it, and the plate and paper was then rolled through a manual printing press under wool blankets.
The print was laid flat under boards to dry until ready to be signed. There are usually about 20 of each image printed, though when Christies Contemporary art bought the Lamorna set the edition was 125 of each print. |
