I'm setting up this account as a way to store and share all the public domain (published pre-1923 without renewal of copyright) images that I come across in the ancient books in my library's vaults.
I do not own these images (though I really do wish I had mad cartography and engraving skills). However, they are public use so have fun with them!
[Note: I am following the legal definitions of public use for the United States only. If you are from another country, please be very clear on your country's legal standards for copyright and fair use!] Please credit the original sources when using these images.