Observatoire de Rio de Janeiro : Time-keepers ; Meridian Circle by G. Heyde ; Maincka Sismograph [400 kgs] ; Central Office ; General view of the Observatory grounds ; equatorial telescope 32 cm by Cooke [focal length 467 cm] ; Zenith Telescop […] & Instrument of variation of latitude ; Astrographical Casmeras of the Great refractor Cooke (titre original)

inconnu, “Observatoire de Rio de Janeiro : Time-keepers ; Meridian Circle by G. Heyde ; Maincka Sismograph [400 kgs] ; Central Office ; General view of the Observatory grounds ; equatorial telescope 32 cm by Cooke [focal length 467 cm] ; Zenith Telescop […] & Instrument of variation of latitude ; Astrographical Casmeras of the Great refractor Cooke (titre original),” Bibliothèque numérique - Observatoire de Paris, consulté le 4 mai 2024, https://bibnum.obspm.fr/ark:/11287/3s8Vp.