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Borda repeating circle

author: E.Perrin/Novapix

reference: o-mar01-00006

Image Size 300 DPI: 40 * 40 cm

The Borda repeating circle in Marseille observatory. It has been used by astronomers Delambre and Mechain to measure the meridian arc from Dunkirk to Barcelona. 

Keywords for this photo:

18TH CENTURY - 2002 - ASTRONOMY - BORDA JEAN-CHARLES DE - DELAMBRE JEAN-BAPTISTE JOSEPH - FRANCE - MARSEILLE - MECHAIN PIERRE - MERIDIAN - OBSERVATORY - REPEATING CIRCLE - SCIENTIFIC INSTRUMENT -