A Chart of the Red Sea from Geddah to Suez, According to the General Chart of Mr. d'Apres de Mannevillette, Corrected and Improved From the Surveys Made by Mr. C. Niebuhr in 1762 and 1763.
Engraved map. 60 x 84 cm. Constant ratio linear horizontal scale ca. 1:1,500,000. With insert maps: "A Plan of the Harbour of Suez" and "A Plan of the Harbour of Tor".
Rare map covering the Red Sea from Jeddah in the south to the Gulf of Suez in the north. Published as part of Robert Sayer's "Complete East-India pilot or Oriental Navigator" (1778ff., subsequently reissued by Laurie & Whittle), it is based on D'Après de Mannevillette's "Neptune Oriental" (1745), incorporating information gleaned from the 1762-63 surveys of Carsten Niebuhr.
A few professionally repaired edge tears.