"Unfortunately the International Standards do not go back that far. ISO Technical Committee 42 (Photography) only started in 1947.
You can coax the listing of standards to only give you the old, withdrawn ones which can be a useful…"
"Hi Roger. An overview of the Curtis Centennial Project appeared in the BJP 06.10.99 pp16-17, followed by a short feature in The Times 11.10.99.
If your French is up to it there was a more detailed article in Le Photographe #1580 in December 2000…"
"Hi Roger. I believe banana oil and bronze powder was used in the past.
When I was at Ilford we did plates for a Centennial version of Curtis' work. We ended up using a gold metallic paint spray. As I recall the services of a motobike fuel tank…"
"Hi Muriel. I had a similar experience with Alan. Although we never met we corresponded and exchanged information on Orotone plates. We wrote an article together and it turned out shared a common background in chemistry. And I got an invite to his…"
"Hi Patricia. The photo looks like an early (and very robust) drum scanner. It was used to scan a photographic print. There would have been a similar writing system at the other end of the line.
Hope this helps."
May 11, 2020
Alan Hodgson is now a member of British photographic history