{"admin":{"added":1592954108000,"created":1312632483000,"id":"term-88618","indexed":1616540991554,"modified":1312632587000,"processed":1616290525000,"source":"adlib","stream":"fitz-online","uid":"adlib-term-88618","uuid":"0e3d8571-1495-37a5-902c-9b40f2e716ef","version":2},"description":[{"primary":true,"type":"scope note","value":"Reflecting navigational instruments used for measuring the altitude of celestial bodies and having an arc of 1\/8 of a circle, but due to their reflecting properties can measure up to 90 degrees; invented in the 1730s and used into the 19th century when superseded by sextants."}],"equivalent":[{"@link":{"type":"reference"},"admin":{"id":"term-88609","uid":"adlib-term-88609","uuid":"e216f0e3-3809-3fb5-83a7-2cd0115fa8e3"},"summary_title":"octant"}],"identifier":[{"code":"V.TN.AFU.AFU.AFU.AFU.CLM.BIQ","primary":true,"type":"code","value":"V.TN.AFU.AFU.AFU.AFU.CLM.BIQ"}],"name":[{"primary":true,"value":"octants"}],"parent":[{"@link":{"type":"reference"},"admin":{"id":"term-88620","uid":"adlib-term-88620","uuid":"130506cf-7a4e-3d48-833d-62079529940a"},"summary_title":"<vertical angle measuring devices>"}],"related":[{"@link":{"type":"reference"},"admin":{"id":"term-80054","uid":"adlib-term-80054","uuid":"c0084386-e82e-3fd1-be6c-3466b28e1d77"},"summary_title":"astronomical instruments"}],"summary_title":"octants","type":{"base":"term"}}