Projection Polariscope
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"indexedStructured": {"geoLocation": [{"Other": {"type": "Place", "content": "France"}}, {"Other": {"type": "Place", "content": "\u00c3\u008ele-de-France"}}, {"Other": {"type": "Place", "content": "Paris"}}, {"points": {"point": {"latitude": {"type": "decimal", "content": "48.866667"}, "longitude": {"type": "decimal", "content": "2.333333"}}}}], "object_type": ["polarimeter"], "topic": ["Scientific apparatus and instruments", "Science"], "place": ["\u00c3\u008ele-de-France", "France", "Paris"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "Medicine and Science: Physical Sciences"}], "date": [{"label": "date made", "content": "late nineteenth century"}], "identifier": [{"label": "ID Number", "content": "PH.315421"}, {"label": "catalog number", "content": "315421"}, {"label": "accession number", "content": "217544"}], "notes": [{"label": "Description", "content": "This sophisticated and costly instrument was designed to produce and project a wide variety of polarization phenomena. The \u00e2\u0080\u009cJ. Duboscq \u00c3\u00a0 Paris No. 161\u00e2\u0080\u009d inscription refers to Jules Duboscq, the scientific instrument maker who introduced the form in the mid-1870s. This example has its original wooden box, and full complement of eyepieces."}, {"label": "Description", "content": "Ref: Maison Jules Duboscq, <i>Historique & Catalogue de tous les Instruments d\u00e2\u0080\u0099Optique Sup\u00c3\u00a9rieure Appliqu\u00c3\u00a9s aux Sciences et \u00c3\u00a0 l\u00e2\u0080\u0099Industrie</i> (Paris, 1885), p. 84."}, {"label": "Description", "content": "Bertin, \u00e2\u0080\u009cNotice sur la projection des experiences de polarisaion,\u00e2\u0080\u009d <i>Journal de physique th\u00c3\u00a9orique et appliqu\u00c3\u00a9e</i> 4 (1875): 72-84, 111-120."}, {"label": "Location", "content": "Currently not on view"}], "creditLine": [{"label": "Credit Line", "content": "U. S. Military Academy"}], "topic": [{"label": "subject", "content": "Science & Scientific Instruments"}], "place": [{"label": "place made", "content": "France: \u00c3\u008ele-de-France, Paris"}], "physicalDescription": [{"label": "Measurements", "content": "overall; stand: 14 1/4 in x 8 7/16 in x 8 1/8 in; 36.195 cm x 21.43125 cm x 20.6375 cm"}, {"label": "Measurements", "content": "overall; box: 6 in x 21 1/2 in x 10 7/8 in; 15.24 cm x 54.61 cm x 27.6225 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "polarimeter"}]}}, "url": "edanmdm:nmah_1184080", "hash": "e77742087263b2c94437e70fb6801d4be2fdeddb", "docSignature": "427b0c9a0a9e36513791ffc4cb32fdb0", "timestamp": 1663782461, "lastTimeUpdated": 1653680532, "title": "Projection Polariscope"}