Machines de Théatres (Theater Machinary of the Opera of Paris)

Plate XX of a series describing the scenic machines employed at the Opera of Paris. Titled on the bottom:'Élévation en Coupe de la Charpente du Comble avec les Corridord et Treuils pour le service d'une Montagne descendant du Ceintre ou sortant du dessou, et idées ou esquisse de / Decorations d'un Paysage et de la chute de Phaéton, et Détails des éclats et du chariot du Tonnerre'; 'Elevation-section of the framework of the roof with the catwalks and the winding-wheels serving a mountain which descends from the central area or rises from below, and ideas and sketches for landscape scenery and for the fall of Phaë ton, and details of lightning flashes and of the chariot of thunder.' from 'L'Encyclopedie'. Signed on the bottom: 'Radel Del'and 'Benard Fecit'; above:'2e Section. [....] Pl. XX'l Etching on paper, with margins; platemark: 356 x 443 mm, total: 420 x 498 mm; traces of folding in the middle, water stain on the top right corner