Chicago & North West railroad mail car model
{"id": "ld1-1643399842277-1643399843258-0", "version": "", "unitCode": "NPM", "linkedId": "", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "npm_0.234863.133", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://ids.si.edu/ids/deliveryService?id=NPM-234863_133", "idsId": "NPM-234863_133", "usage": {"access": "CC0"}, "guid": "http://n2t.net/ark:/65665/sy729c90b62-3759-47db-a630-57e0a126f113", "type": "Images", "content": "https://ids.si.edu/ids/deliveryService?id=NPM-234863_133"}]}, "unit_code": "NPM", "title_sort": "CHICAGO & NORTH WEST RAILROAD MAIL CAR MODEL", "guid": "http://n2t.net/ark:/65665/hm876e6406e-da58-46ca-9bf6-bcf58b5d12de", "record_link": "https://postalmuseum.si.edu/object/npm_0.234863.133", "title": {"label": "Title", "content": "Chicago & North West railroad mail car model"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Postal Museum"}, "indexedStructured": {"date": ["1960s", "1860s"], "geoLocation": [{"Other": {"type": "Place", "content": "United States of America"}}], "object_type": ["Transportation Equipment & Models"], "topic": ["Transportation"], "place": ["United States of America"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "National Postal Museum Collection"}], "date": [{"label": "Date", "content": "1862-c. 1957"}], "identifier": [{"label": "Object number", "content": "0.234863.133"}], "notes": [{"label": "Description", "content": "This model depicts the Chicago & North Western Railway's Railway Post Office (RPO) car that was assigned to the first permanent route established by the Railway Mail Service (RMS). This operation commenced between Chicago, Illinois, and Clinton, Iowa, on August 28, 1862. It was established under the guidance of George B. Armstrong, the first RMS general superintendent."}], "topic": [{"label": "Topic", "content": "Transportation"}], "place": [{"label": "Place", "content": "United States of America"}], "physicalDescription": [{"label": "Medium", "content": "wood; metal"}, {"label": "Dimensions", "content": "Height x Width x Depth: 1 9/16 x 1 3/8 x 7 in. (3.97 x 3.49 x 17.78 cm)"}], "dataSource": [{"label": "Data Source", "content": "National Postal Museum"}], "objectType": [{"label": "Type", "content": "Transportation Equipment & Models"}]}}, "url": "edanmdm:npm_0.234863.133", "hash": "2b3252e9b48f1c29d5d2d044f7bde6ddb4d4b0b9", "docSignature": "d4339a62f35187150c90fa374d83f697", "timestamp": 1663786505, "lastTimeUpdated": 1658566358, "title": "Chicago & North West railroad mail car model"}