{"version":"1.0","type":"link","title":"Repeating circle - Newikis","description":"The repeating circle is an instrument for geodetic surveying, developed from the reflecting circle by Étienne Lenoir in 1784. He invented it while an assistant of Jean-Charles de Borda, who later improved the instrument. It was notable as being the equal of the great theodolite created by the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/9/96/12in_Repeating_circle.jpg","thumbnail_width":856,"thumbnail_height":864}