Bird's-eye plan of the two citadels St. Petersberg and Cyriacusberg protecting the city of Erfurt, the capital of Thuringia and a Reichsarmie stronghold during the Seven Years War. The extensive key below identifies all the structures. Pierre de Hondt was a prominent 18th century Dutch bookseller and publisher in the Hague, known for the high standard of typography of his books, with atlases forming a limited proportion of his output. During the Seven Years War, he diversified into map publishing, issuing a number of battle plans, most of which were engraved by J. van Schley.

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Condition: B

Nice impression and wide original margins with some roughness at edges. There are some light damp stains and an extraneous crease near center.