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, Vol. 3, Double Page Plate No. 21; Part of ward Three Sub Plan; Map bounded by Little Neck Bay, Odalls Cove; Including Bay St., Allen St.; Part of ward Three Douglaston and Little Neck; Map bounded by Boundary Line of City of New York a
from Third ward: Flushing. (In 3 layers) Depicts: 1901
|1901||20 minutes ago.||7 control points.|
To the Honourable Thomas Penn and Richard Penn, Esqrs., true & absolute proprietaries & Governours of the Province of Pennsylvania & counties of New-Castle, Kent & Sussex on Delaware this map of the improved part of the Province of Pennsy
from Whole (In 6 layers) Depicts: 1759
|1759||24 minutes ago.||4 control points.|
L'Amerique meridionale et septentrionale : dressèe sur les nouvles. decouvtes. et dernieres relations des meilleurs navigateurs decetemps conformes aux observations astronomiques / par J. Luillier.
from Whole (In 2 layers) Depicts: 1731
|1731||about 9 hours ago.||3 control points.|