Details of exhibit

Exhibition:
1909 Fifty-fourth Annual Exhibition of the Royal Photographic Society of Great Britain  
Exhibit title:
Paynetype  
Exhibitor:
A. Payne 
Section:
Scientific and Technical Photography and its Application to Processes of Reproduction 
Exhibit No.:
430 431 432 
Description:
Examples of blocks made by a new direct process of photo-engraving invented by Mr. Arthur Payne, whereby the subject, either in line or half-tone, is photographed direct upon the metal to be etched. The process is patented in Great Britain, No. 28415, 1907, and patents are applied for in several foreign countries and the United States of America.
The process is suitable for use in line and coarse half-tone, and its principal characteristic are speed, economy, and ease in working.
(431) A set of examples showing the different stages in the production of a block by the Paynetype process:-
Stage 1. – Plate ready for exposure in camera.
A. Metal plate. B. Metal coated with resist. C. Metal coated with resist and emulsion.
Stage 2. – Plate exposed in camera and developed with Glycin as a dry plate. This plate is then rinsed and immersed in a five per cent. solution Potassium Bichromate for three minutes and then developed in hot water as a carbon print.
Stage 3. – Plate after development in hot water. This plate is, at this stage, rocked in alcohol for some seconds, rinsed in water, and wipes with cotton wool. The plate may be dried and the operation repeated necessary.
Stage 4. – Plate after treatment with alcohol. This plate is now for etching as an intaglio plate. To reverse the image the plate is rolled up with ink, immersed in alcohol for five minutes, then transferred to a dish of water and developed as albumen print.
Stage 5. – Plate after reversal of image by ink method. This plate is ready for etching, either by the dragon’s blood process, or the rolling up process.
(431) A copper-faced zinc line and proof. This block was reversed by the electro deposition of copper upon the zinc plate, the resist preventing the copper being deposited upon the parts so protected. A very thin layer of copper forms an efficient etching resist.
(432) Zinc half-tone made direct from life by Mr. Arthur Payne, in June, 1909. The exposure, taken in the open air, was 10 seconds at F 18, square stop, 65 line screen.
This example is interesting because it is the first block that has ever been made by photographing direct upon the metal plate from life. 
Exhibit type:
Photographic equipment and supplies 
Process:
[Not Listed] () 
Award:
none