Sujet

Geodetic meridian telescope 1890

Légende

Geodetic meridian telescope 1890. The meridian astronomer uses a special telescope called a transit circle

Date

1890

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP17A26_071

Licence

Droits gérés

Format disponible

60,0Mo (2,4Mo) / 33,2cm x 45,3cm / 3923 x 5346 (300dpi)

Mots clés

observations research science Geodetic meridian telescope American usa Instruments astronomy telescopes 19th century End of 19th century