Telegraph Register
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"CC0"}, "data_source": "National Museum of American History"}, "indexedStructured": {"date": ["1840s"], "object_type": ["Patents", "telegraph register", "telegraph receiver", "Models"], "name": ["Curtis, Lucius G."], "topic": ["Telegraph", "Communications", "Telegraph Registers"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "Work and Industry: Electricity"}, {"label": "See more items in", "content": "Telegraph Registers"}, {"label": "See more items in", "content": "Communications"}], "date": [{"label": "date made", "content": "1849"}], "identifier": [{"label": "ID Number", "content": "EM.308852"}, {"label": "catalog number", "content": "308852"}, {"label": "accession number", "content": "89797"}, {"label": "patent number", "content": "6,040"}], "notes": [{"label": "Description (Brief)", "content": "In 1849 Lucius G. Curtis received U.S. patent #6,040 for this \u00e2\u0080\u009cindicating telegraph.\u00e2\u0080\u009d This patent model demonstrated his idea, a toothed wheel and rotary mechanism that transmitted electrical pulses corresponding to numbers. Combinations of numbers represented letters that the receiving operator would decode. Two units were to be connected to the line since the device served as both transmitter and receiver. His idea never gained acceptance as his system proved no real advance on the dots and dashes of Morse code."}, {"label": "Location", "content": "Currently not on view"}], "name": [{"label": "maker", "content": "Curtis, Lucius G."}], "topic": [{"label": "subject", "content": "Communication, telegraph"}], "physicalDescription": [{"label": "Physical Description", "content": "brass (overall material)"}, {"label": "Physical Description", "content": "wood (overall material)"}, {"label": "Measurements", "content": "overall: 8 in x 5 in x 12 in; 20.32 cm x 12.7 cm x 30.48 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "telegraph receiver"}, {"label": "Object Name", "content": "telegraph register"}, {"label": "Object Type", "content": "Patent Model"}]}}, "url": "edanmdm:nmah_706647", "hash": "ecee28ceaadd631be894d6c765ecb41346deb1ea", "docSignature": "d15f5364578975348a2b5aee1ef38243", "timestamp": 1663782597, "lastTimeUpdated": 1655973416, "title": "Telegraph Register"}