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!
Brooklyn, Vol. 1, 2nd Part, Double Page Plate No. 29; Part of Wards 7 & 19, Section 7 & 8; Map bounded by Marcy Ave., Heyward St., Lee Ave., Flushing Ave., Bedford Ave.; Including Willoughby Ave., Washington Ave., Cross St., Wallabout Channel, Divisi...
From Volume 1, part 2 (In 2 layers) Depicts: 1916
|1916||about 13 hours ago.||Unrectified.|
From Atlas 126. Vol. 11, pt. 2, 1909. (In 1 layer) Depicts: 1909
|1909||1 day ago.||4 control points.|
Queens, Vol. 2A, Double Page Plate No. 29; Part of Ward Two Newtown. Map bounded by Marlowe Ave., Pilgram St., Austin St.; Including Jupiter Ave., Hanover Ave., Martense St. / by and under the supervision of Hugo Ullitz.
From v. 2A (In 2 layers) Depicts: 1913
|1913||1 day ago.||3 control points.|