A description of a new instrument or celestial compass : adapted for ascertaining the latitude and longitude at sea, by means of the declination and right ascension of the heavenly bodies : for finding the deviation of the magnetic needle, ... as also, for taking bearings and surveying without magnetic aid / invented by George Graydon ..
{"id": "ld1-1646149545906-1646149827557-1", "version": "", "unitCode": "SIL", "linkedId": "0", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "siris_sil_326899", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://library.si.edu/sites/default/files/styles/book_cover_small/public/books/covers/descriptionofnew00graycover.jpg", "usage": {"access": "CC0"}, "type": "Scanned books", "content": "https://doi.org/10.5479/sil.326899.39088000982108"}]}, "unit_code": "SIL", "title_sort": "DESCRIPTION OF A NEW INSTRUMENT OR CELESTIAL COMPASS : ADAPTED FOR ASCERTAINING THE LATITUDE AND LONGITUDE AT SEA BY MEANS OF THE DECLINATION AND RIGHT ASCENSION OF THE HEAVENLY BODIES : FOR FINDING THE DEVIATION OF THE MAGNETIC NEEDLE AS ALSO FOR TAKING BEARINGS AND SURVEYING WITHOUT MAGNETIC AID INVENTED BY GEORGE GRAYDON", "record_link": "https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!326899~!0#focus", "title": {"label": "Title", "content": "A description of a new instrument or celestial compass : adapted for ascertaining the latitude and longitude at sea, by means of the declination and right ascension of the heavenly bodies : for finding the deviation of the magnetic needle, ... as also, for taking bearings and surveying without magnetic aid / invented by George Graydon .."}, "metadata_usage": {"access": "CC0"}, "data_source": "Smithsonian Libraries"}, "indexedStructured": {"date": ["1820s"], "object_type": ["Books", "Electronic information resources"], "name": ["Burndy Library", "Graydon, George"], "topic": ["Navigation", "Magnetic declination", "Compass"], "language": ["English language"], "online_media_type": ["Scanned books"]}, "freetext": {"date": [{"label": "Date", "content": "1825"}], "identifier": [{"label": "Call number", "content": "QC849 .G73 1825"}, {"label": "Call number", "content": "QC849.G73 1825"}], "notes": [{"label": "Notes", "content": "Also available online."}, {"label": "Notes", "content": "Author's inscribed presentation copy."}, {"label": "Notes", "content": "Elecresource"}], "name": [{"label": "Author", "content": "Graydon, George"}, {"label": "donor", "content": "Burndy Library DSI"}], "topic": [{"label": "Topic", "content": "Compass"}, {"label": "Topic", "content": "Magnetic declination"}, {"label": "Topic", "content": "Navigation"}], "physicalDescription": [{"label": "Physical description", "content": "[2], 51, [1] p., 3 folded leaves of plates : ill. ; 26 cm"}], "dataSource": [{"label": "Data Source", "content": "Smithsonian Libraries"}], "objectType": [{"label": "Type", "content": "Electronic resources"}]}}, "url": "edanmdm:siris_sil_326899", "hash": "ff522bc806df4348039240e50d655c243312cfb5", "docSignature": "4eff194f94edaf9ccaa0b3b7c70117ac", "timestamp": 1582103449, "lastTimeUpdated": 1582103449, "title": "A description of a new instrument or celestial compass : adapted for ascertaining the latitude and longitude at sea, by means of the declination and right ascension of the heavenly bodies : for finding the deviation of the magnetic needle, ... as also, for taking bearings and surveying without magnetic aid / invented by George Graydon .."}