{ "core": { "objectID": 57264, "objectNumber": "42.70", "primaryTitle": "Prisoners on a Projecting Platform", "objectName": "etching", "dated": "1761", "classification": "Prints", "department": "Prints, Drawings & Photographs", "medium": "etching and engraving printed in black ink on laid paper", "dimensions": "Plate: 16 3/8 × 21 1/8 inches (41.6 × 53.7 cm)\r\nSheet: 22 1/8 × 31 3/8 inches (56.2 × 79.7 cm)" }, "provenance": { "creditLine": "Founders Society Purchase, Hal H. Smith Fund and Elizabeth P. Kirby Fund ", "provenance": "Thomas Weld (Lulworth, England); \r\nAlden Galleries;\r\n1942-present, purchase by the Detroit Institute of Arts (Detroit, Michigan, USA)", "signed": "Signed in plate, lower left: Piranesi f.", "inscribed": "", "markings": "" }, "creators": [ { "displayName": "Giovanni Battista Piranesi", "role": "Artist", "nationality": "Italian", "bio": "Italian, 1720-1778" }, { "displayName": "Giovanni Battista Piranesi", "role": "Publisher", "nationality": "Italian", "bio": "Italian, 1720-1778" } ], "rights": [ { "type": "Public Domain", "copyright": "", "creditLineRepro": "Giovanni Battista Piranesi, Prisoners on a Projecting Platform, 1761, etching and engraving printed in black ink on laid paper. Detroit Institute of Arts, Founders Society Purchase, Hal H. Smith Fund and Elizabeth P. Kirby Fund, 42.70." } ], "media": { "primary": { "filename": "42.70-d1-2017-05-31.tif", "width": 5180, "height": 3659, "shareURL": "https://dia.widen.net/content/i86miosa5x/jpeg/42.70-d1-2017-05-31.jpeg?w=2000&keep=c&crop=yes&color=cccccc&quality=80&u=u3bnol", "originalURL": "https://dia.widen.net/content/i86miosa5x/original/42.70-d1-2017-05-31.tif?u=u3bnol&download=true" } }, "terms": [ { "name": "interior", "type": "subject" }, { "name": "prisoners", "type": "subject" }, { "name": "architecture", "type": "subject" }, { "name": "engraving (printing process)", "type": "technique" }, { "name": "etching (printing process)", "type": "technique" }, { "name": "ink", "type": "material" }, { "name": "laid paper", "type": "support" }, { "name": "arches", "type": "subject" }, { "name": "prison", "type": "subject" }, { "name": "engraving (print)", "type": "work type" }, { "name": "etching", "type": "work type" }, { "name": "platform", "type": "subject" }, { "name": "Italy", "type": "modern" } ], "source": { "museum": "Detroit Institute of Arts", "objectURL": "https://dia.org/collection/57264" } }