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!
Queens V. 3, Plate No. 78 Map bounded by Hoffman Blvd., Trotting Course Ln., Wooley Ave., Corinth Pl., Bretonniere Ave.
|1884||1 day ago.||20 control points.|
Queens V. 3, Plate No. 54 Map bounded by Maurice Ave., Columbia Ave., Jay Ave.; Bushwick and Newtown Tpk., Townsend Ave.; Lutheran Cemetery, Edsall Ave., Folsom Ave.
|1884||1 day ago.||9 control points.|
|1884||2 days ago.||18 control points.|