By: Alexander K. Johnston
Date: 1856 (published) Edinburgh
Dimensions: 20 x 24 inches (51 x 61 cm)
This is an antique geological map of the world drawn upon the Mercator projection. The map was published in the 2nd edition of Johnston's Physical Atlas of Natural Phenomena, published out of Edinburgh by William Blackwood & Sons in 1856.
The map is color coded by rock formations and includes several inset maps and diagrams. On inset shows polar projections with that of the south pole presenting a theoretical coastline of the" Supposed Antarctic Continent." Just below, an intriguing diagram presents principal mountains of the world arranged by longitude that correlated with the primary map above. Another inset illustrates the synchronism of parallel mountain chains in the European Alps that spans present-day France, Switzerland, northern Italy, and Austria.
At the time of publication, Alexander Keith Johnston's Physical Atlas of Natural Phenomena was the most comprehensive geographic work focusing on natural science. Johnston described the motivations and focus of his work in the preface as follows; The object originally contemplated in this work was to present, in a graphic form, a concise yet comprehensive view of the Physical Geography of the Globe, embracing under that term its superficial structure, the movements of its aerial and oceanic currents, and the distribution of organized existence on its surface.
Accompanying the map is the original letterpress description from the atlas the discusses in detail the methodology, science, and theory the went into the cartographic work.
Condition: Map is in A+ condition presenting a attractive and vivid imprint on heavy paper with full margins on all sides.
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