JAN HENDRIK VAN KINSBERGEN: BESCHRYVINGE VAN DER ARCHIPEL. AMSTERDAM 1792 First edition. In large 8vo,contemporary publishers hard covers slightly rubbed at edges, large uncut copy,spine slightly sunned, text clean and bright,complete the narrative 190p., overall in very good condition. The Description of the Archipelago, published in 1792, is a significant work by the renowned Dutch Admiral Jan Hendrik van Kinsbergen (1735-1819).It is a detailed nautical and strategic description of the Greek Islands and the coastline in the Aegean, full with invaluable information regarding population,trade,ports, fortifications and geographical facts. He earned the nickname "The Hero of the Black Sea" for his successes while serving in the Russian Imperial Navy under Catherine the Great. During the Russo-Turkish War (1768-1774), he defeated the Ottoman fleet in several key battles. This work was the result of his firsthand observations while navigating these waters as a naval commander in the 1770s, in Russian service. It is a practical guide rather than a leisure travelogue. Detailed instructions for navigating coastal waters, identifying safe harbors, and recognizing landmarks. Descriptions of fortifications, naval defenses, and the strategic importance of various islands. Insights for "handeldryvenden" (merchants) regarding the trade potential of the region. Kinsbergen published also separately a very large chart of the Archipelago that time,both are very rare.A valuable practical manual of late 18th century for the Aegean sea, a very unusual early publication of that field.