Woodward patented his solar enlarger in 1857, and albumens were
certainly among the prints made with this type of enlarger throughout the 1860s
and 70s. Here’s an excellent article on the subject:
From: Jacques Augustowski
[mailto:py1hy@terra.com.br] Sent: Tuesday, June 19, 2007 7:09 PM To: alt-photo-process-l@usask.ca Subject: XIX century enlargers
Hi,
Does
anyone knows if albumen was used with the solar enlargers? What is the
approximate date that these enlargers were used?