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 63, Part of Section 11, Borough of the Bronx. Bounded by Bailey Avenue ... W. 188th Street, Grand Avenue, W. Kingsbridge Road, Heath Avenue and Knox Place.
from Atlas of borough of the Bronx, Sections 9 10 11 12 & 13 : from actual surveys and official plans / G.W. Bromley and Co. (In 1 layer) Depicts: 1921
|1921||about 13 hours ago.||8 control points.|
From Bronx (In 1 layer) Depicts: 1914
|1914||about 15 hours ago.||8 control points.|
Double Page Plate No. 39, Part of Ward 24, Section 12. Bounded by Jerome Ave. and Van Cortlandt Park South.
from Atlas of the borough of the Bronx, city of New York : based upon official plans and maps on file in the various city offices; supplemented by careful field measurements and personal observations, by and under the supervision of Hugo Ullitz. (In 3 layers) Depicts: 1901
|1901||about 17 hours ago.||4 control points.|