Published 1855 in Pennsylvania, dated 1850 . Lithograph with original full wash hand colouring. Overall sheet size: 33.8cms x 41.1cms; image size: 309mm x 379mm. Characteristic green decorative border and pastel colouring. Top right is a chart showing population tables by county. Railroads marked in orange. Browning to borders else very good condition indeed.
Thomas, Cowperthwait & Co. were a publishing company based in Philadelphia. They were part of the burgeoning atlas and map publishing in the early to mid-nineteenth century. They published many famous works, including Tanner’s New Universal Atlas. Their maps are notable for the decorative borders and fine, vivid original hand colouring.
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