Water Drainage Plan in the North Sea - Dutch Engineering, 18th Century, 1769

Subject: channels leiden -- surroundings -- drainage scale(s): [= 0m, 106; 1:28,000 approximately. ] coverage: netherlands – south holland language: dutch publisher: [s. N. ]. Date: 1769. Dimensions: height: 38 cm (14.9 in); width: 47 cm (18.5 in). Collection: Bibliothèque nationale de France.