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map showing Eastern Hemisphere

Exploring the First Printed Arabic World Atlas

Posted by: Carissa Pastuch

On the vault shelves of the Geography and Map Division between John Arrowsmith’s London Atlas of Universal Geography (1858) and a 19th century French jigsaw-puzzle map of the world made of wood, Atlas geographique, lies a 50 x 31 centimeter nondescript atlas in green binding. The hunter green lusterless cover may seem unremarkable, but open …

The Hungarian Parliamentary Building sits on the banks of the Danube. The GeoTIFF locates the building about 150 meters to the northeast of its true location.

The Secret Life of GeoTIFFs

Posted by: Carissa Pastuch

This is a guest post by Rachel Trent, Digital Collections and Automation Coordinator in the Geography and Map Division. The image below is of a TIFF file, but not just any TIFF. Hidden inside are coordinates that bind the image to a specific place on Earth. For every pixel in the image, an estimated latitude …

single sheet map from series

Early 20th Century Survey of Egypt Provincial Series Now Online

Posted by: Carissa Pastuch

In 1899, British geologist Henry G. Lyons (1864–1944) began a systematic reassessment of the cadastral surveys conducted in Egypt under Ottoman Turkish rule. His updated survey was built upon 90 years of work—starting in 1813 when Muʿallim Ghali, a finance minister appointed by Muhammad ʿAli Basha (1769–1849), reorganized the finances of Egypt to optimize taxation. …

Pictorial map of entertainment, restaurant, and speakeasy facilities in the Harlem district, Manhattan, New York City during the Harlem Renaissance..

Mapping “Points of Interest underneath the Harlem Moon”

Posted by: Carissa Pastuch

Elmer Simms Campbell’s pictorial night-club map showing Harlem’s hotspots for entertainment, dining, and drinking appeared as a centerfold in the January 18, 1933, edition of the short-lived weekly Manhattan Magazine. His work was an important contribution to Harlem’s cultural renaissance—it serves as a time capsule—the itinerary and guide of a typical Friday night at the …