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!
Topographical map of New York City, County, and vicinity / Based on Randel's and other official surveys, drawings and modern surveys by J.F. Harrison & T. Magrane.
From New York City & Vicinity (In 3 layers) Depicts: 1853
|1853||about 13 hours ago.||8 control points.|
From Brooklyn (In 1 layer) Depicts: 1851
|1851||about 14 hours ago.||21 control points.|
Brooklyn, Vol. 1, 2nd Part, Double Page Plate No. 50; Part of Wards 26, Section 14; Map bounded by Vandalia Ave., Fountain Ave., Vandalia Ave.; Including Spring Creek, Jamaica Bay, Jerome St. / by and under the direction of Hugo Ullitz.
From Volume 1, part 2 (In 2 layers) Depicts: 1916
|1916||1 day ago.||4 control points.|