Photographer unknown2018-09-212018-09-21undatedhttp://172.16.52.76:80/cdm/ref/collection/coll8/id/235https://hdl.handle.net/20.500.12111/1279This meridian circle (also called: transit-circle or transit telescope), which is an astronomical instrument used for taking measurements relating to stars, was built for Brazil's Observatório Nacional at the end of the nineteenth century by the celebrated French maker of scientific instruments, Paul Gautier.Amber tintPermission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Astronomical instrumentsObservatório Nacional (Brazil)Image