Named in memory of Edgardo Mannucci, outstanding precision mechanic, whose work at the Felix Aguilar Observatory benefited astronomy in Argentina for many years. He played an important part in setting up the meridian circle and Danjon {see planet  (1594)} astrolabe and the adaption of the K-50 geodesic camera for observations of artificial satellites. Chief of precision work in the department of geodesy, topography and cartography of San Juan, and a valued member of the faculty of engineering at the Cuyo National University, he had previously served as assistant chief for the light and buoy workshop in the Argentine Naval Hydrographic Service. (M 8152) _ _.