Antique Map - Joseph Roux - Harbour Plan - Constantinople Bosphorus Canal - F5An old 18th century map created in France by the famous engraver and cartographer Joseph Roux in 1764. The maps are rather crudely engraved, contain little nautical information, and vary in scale and orientation due to the small size of the maps. They do not provide geographic coordinates. This antique map shows the Constantinople Bosphorus Canal, which is located in Turkey, namely in the city of Istanbul. The map shows depth measurements and