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!
Plate 13: Bounded by W. 25th Street, Seventh Avenue, W. 14th Street, Hudson River, Pierhead Line, Piers 57-62, and Thirteenth Avenue.
from Atlas of the city of New York, borough of Manhattan. From actual surveys and official plans / by George W. and Walter S. Bromley. (In 1 layer) Depicts: 1911
|1911||about 16 hours ago.||44 control points.|
Cooperstown Village; Laurens Business Directory. ; Cooperstown Business Directory. ; Laurens Village
from Atlas of Otsego Co., New York. From actual surveys by and under the direction of F.W. Beers, assisted by F.S. Fulmer & others. (In 1 layer) Depicts: 1868
|1868||about 17 hours ago.||9 control points.|
from Sectional aerial maps of the City of New York / photographed and assembled under the direction of the chief engineer, July 1st, 1924. (In 1 layer) Depicts: 1924
|1924||1 day ago.||46 control points.|