Giuseppe Campani (1635-1715)
Metal shapes for telescopes and microscopes, 17th century
Bologna, Museo di Fisica, Universitą di Bologna, inv. 593, 594, 595, 596/1956

Concave or convex metal surfaces with wooden or metal handles, used for manufacturing lenses either by hand or on a lathe. These accessories were used by Campani in his laboratory in Rome to make lenses of varying size and curvature.