642 - JUAN, JORGE

JUAN, JORGE JORGE JUAN.—"HISTORICAL ACCOUNT OF THE VOYAGE TO SOUTH AMERICA undertaken by order of His Majesty to measure several degrees of the terrestrial meridian, and thereby ascertain the true shape and magnitude of the Earth, along with various other astronomical and physical observations. Part Two, Volume Four.” Madrid: Antonio Martín, 1748. Large quarto, parchment. Frontispiece + pp. 381–603. Followed by: “HISTORICAL SUMMARY OF THE ORIGIN AND SUCCESSION OF THE INCAS, and other sovereigns of Peru, with accounts of the most notable events in the reign of each one” 195 pp. Two folded engravings (one with moth damage). Old water stains. .