book map parts together like puzzle pieces
The ability to add parts of book map together like a puzzle on one map. (like Christopher Colles's book map of 1798). Presently I believe you can only compare maps by clicking on them separately.
Helene shared this idea
under review · AdminJan Kucera (Admin, OldMapsOnline) responded
Thank you for your idea, we are not planning to implement this ability in the near future.