NYPL Map Warper
▻http://images.nypl.org/?t=w&id=1952936
The NYPL Map Warper is a tool for digitally aligning ("rectifying") historical maps from the NYPL’s collections to match today’s precise maps. Visitors can browse already rectified maps or assist the NYPL by aligning a map. Play the video above to tour the site and learn how to rectify a map yourself.
Everyone is welcome to participate!
#cartographie #histoire #initiative_participative #nypl #bibliothèque #cartothèque