8 Alexander Keith Johnston (1804–1871) – Map of the World / Chart of the World on Mercator's Projection – Ocean Currents and Port Distances – Engraving (c.1850s)

This detailed map presents the world using Mercator's projection, highlighting the principal ocean currents and sea routes between key international ports. The chart includes navigational distances, with routes marked in nautical miles, offering valuable insight into 19th-century maritime geography. Originally published by W. & A. K. Johnston, Edinburgh & London, this map reflects the growing emphasis on global navigation during the age of steam and colonial expansion.

Alexander Keith Johnston (1804–1871) was a prominent Scottish geographer and cartographer. He co-founded the publishing firm W. & A. K. Johnston with his brother and became known for producing high-quality atlases, wall maps, and school geography materials. His works combined scientific accuracy with artistic clarity, influencing cartography throughout the 19th century.

Artist or Maker:

Alexander Keith Johnston

Dimensions:

36 cm x 47 cm

Medium:

Engraving 

Date:

c.1850s

Condition Report:

This work is in good condition overall. There may be a few minor imperfections or fox or mottled marks to be expected with age. Please review the images carefully for condition details, and feel free to contact us with any questions or for a comprehensive condition report.