David Gerard wrote:
http://www.pubs.royalsoc.ac.uk/index.cfm?page=1373
Everything back to 1665. Really quite a lot of which is public domain. Get downloading.
Is there anywhere on Commons to upload this yet? If not, something along the lines of:
http://commons.wikimedia.org/wiki/Royal_Society_Journals
and then order them by which issue, which article, etc.