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Abhandlung vom Wasserwägen mit neuen Beyträgen von J.H. Lambert. Mit Kupfern.
Berlin, Haude und Spener, 1770. 8vo. Cont. hcalf. Gilt back and gilt titlelabel. A paperlabel pated on upper compartment of back. Stamps on titlepage. XVI,296 pp. and 10 folded engraved plates (8+2). Lambert's 8 appendixes pp. 187-296 with 2 plates. Some light browning, but a good copy.
This is the second German edition (the first from 1749 was abridged) by the famous French astronomer and geographer Jean Picard, who was the first to measure the lenght of a degree of a meridian. It is the first appearance of Lambert's 8 tracts where he treats the measuring with the water-levelling instruments mathematically, and applies some of the principles he introduced in his epochal work on theoretical carthography in 1772. The book has de la Hire's ""Vorrede"". - Not in Rosenthal, Litteratur der Technologie (only 1749 ed.). - Poggendorff II:442 (as part of Picard's ""Nivellement"").
