BUEN RETIRO PALACE MADRID 1760 DAUMONT UNUSUAL ANTIQUE ORIGINAL OPTICAL VIEW ANTIQUE OPTICAL VIEW OF BUEN RETIRO PALACE MADRID SPAIN old times rare books and maps (20136) 100% positiveSeller's other itemsSeller's other itemsContact seller US $23.50 BUEN RETIRO PALACE MADRID 1760 DAUMONT UNUSUAL ANTIQUE ORIGINAL OPTICAL VIEW Description Vue Perspective du Palais Royal et des Jardins du Buen Retiro, en Espagne. Description: Striking and highly detailed fine unusual 1760 copper engraved so-called optical view of buen Retiro Palacea large palace complex in Madrid, Spain. Several inhabitants and boats adorn the view. Reverse title to the top central side. The Vues d'optique were specifically developed to provide the illusion of depth when viewed through a zograscope, also known as an "optical diagonal machine" or viewers with similar functions. Date: 1760 ( undated ) Dimension: Paper size approx.: cm 47,3 x 31 Condition: Very strong and da rk impression on good paper. Paper with chains. Plate old original colored.Wide margins. paper with waterstains. Small foxing and browning. Conditions are as you can see in the images. Publishers: Jean Francois Daumont was an engraver and publisher active in Paris between 1740 and 1775.