[Alt-photo] Poitevin 1855

Alberto Novo alt.list at albertonovo.it
Fri Sep 23 07:08:10 UTC 2016

> Here is the British patent I found once in a book. Never could find the 
> French one which does have some variation apparently

Thank you so much, Peter!
May you also give me the full citation (author(s), title, publisher, year, pages)?


More information about the Alt-photo-process-list mailing list