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. 3, Double Page Plate No. 6; Part of Wards 13, 14, 15 & 16, Sections 8, 9 & 10; Map bounded by Metropolitan Ave., Leonard St., Meserole St., S. Fourth St., Keap St., Broadway; Including Havemeyer St., S. Third St., Roebli
from Wards 13, 14, 15, 16, 17, 18, 19, 27 & 28. (In 2 layers) Depicts: 1904
|1904||about 1 hour ago.||5 control points.|
Plan of the city of Washington in the territory of Columbia : ceded by the states of Virginia and Maryland to the United States of America and by them established as the seat of their government after the year MDCCC / in order to execute this plan, Mr. E
from Charts and maps (In 1 layer) Depicts: 1792
|1792||about 12 hours ago.||8 control points.|
Atlantic City, Double Page Plate No. 1 Map bounded by Pacific Ave., Atlantic Ocean, Maryland Ave. / by Ellis Kiser, and O. Barthel...
From Atlas of Atlantic City, New Jersey : including South Atlantic City, Chelsea, Ventnor, Oberon and Longport ; compiled and drawn from official plans and actual surveys (In 2 layers) Depicts: 1896
|1896||1 day ago.||4 control points.|