Map of the Month
This month’s entry to Map of the Month, “Map of Exploration and Surveys in New Mexico and Utah”, by Captain John N. Macomb was published in 1864 and details the […]
Tag Archives: Comparative Charts
Victorian Infographics
Click here to download a pdf version of our digital catalogue Nearly half of our collection of antique maps date from the 19th century. This catalogue explores the development of […]
Magnetic Variation
What is equal magnetic variation? Here is a brief scientific history on the mapping of the earth’s magnetic field. Compiled from four maps in our collection, these pieces all show lines of magnetic variation […]
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