Sujet

Photograph of a microscope used for measuring star positions on a photographic plate

Légende

Photograph of a microscope used for measuring star positions on a photographic plate. Dated 20th Century

Date

20e siècle

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP23A16_140

Licence

Droits gérés

Format disponible

60,0Mo (2,5Mo) / 45,1cm x 33,3cm / 5325 x 3938 (300dpi)

Mots clés

20th Century Photograph Photography Microscope Microscopic Stars Star Space History of Astronomy Astronomy Sky Photographic Plate Photographic 20th Century