By: Alexander K. Johnston
Date: 1856 (published) Edinburgh
Dimensions: 20 x 24 inches (51 x 61 cm)
This is Johnston's Physical Chart of the Indian Ocean. It was published in the second edition of Johnston's Physical Atlas of Natural Phenomena, out of Edinburgh by William Blackwood & Sons in 1856.
The chart contains a remarkable amount of information including temperature of the water, currents of the air and ocean, direction of the wind, districts of hurricanes, regions of monsoons and typhoons, trade routes and more. It includes explanatory notes for the markings used, and a legend for its colour coding.
At the time of publication, Alexander Keith Johnston's Physical Atlas of Natural Phenomena was amongst the most comprehensive geographic works of its day to focus 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 that discusses in detail the methodology, science, and theory used for creating and publishing cartographic works such as this.
Condition: Map is in A+ condition presenting an attractive and vivid imprint on heavy paper with full margins on all sides.
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