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drawing

(Encyclopedia)drawing, art of the draftsman. In its broadest sense it includes every use of the delineated line and is thus basic to the arts of painting, architecture, sculpture, calligraphy, and geometry. The wor...

Verrocchio, Andrea del

(Encyclopedia)Verrocchio, Andrea del ändrĕˈä dĕl vār-rôkˈkyō [key], 1435–88, Florentine sculptor and painter, whose real name was Andrea di Michele di Francesco di Cioni. He was a leading figure in the e...

Piero di Cosimo

(Encyclopedia)Piero di Cosimo dē kôˈzēmō [key], 1462–1521, Florentine painter, whose name was Piero di Lorenzo. He adopted the name of his master, Cosimo Rosselli, whom he accompanied to Rome in 1482 and ass...

Correggio

(Encyclopedia)Correggio kərĕjˈō [key], c.1494–1534, Italian painter, whose real name was Antonio Allegri, called Correggio for his birthplace. He learned the rudiments of art from his uncle Lorenzo Allegri. H...

helicopter

(Encyclopedia)helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which ...

snorkel

(Encyclopedia)snorkel, tube through which a submarine or diver can draw air while underwater. When in use, the top of the snorkel tube extends above the water surface into the air. The first snorkels were probably ...

British Library

(Encyclopedia)British Library, national library of Great Britain, located in London; one of the world's great libraries. Long a part of the British Museum, the library collection originated in 1753 when the governm...

perspective

(Encyclopedia)perspective, in art, any method employed to represent three-dimensional space on a flat surface or in relief sculpture. Although many periods in art showed some progressive diminution of objects seen ...

Perugino

(Encyclopedia)Perugino pāro͞ojēˈnō [key], c.1445–1523?, Umbrian painter, b. near Perugia. His real name was Pietro di Cristoforo Vannucci. Perugino is, after Raphael, the greatest painter of the Umbrian scho...