Title

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

Caption

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

Date

20th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A16_140

License type

Rights managed

Available size

60,0Mb (2,5Mb) / 17,8in x 13,1in / 5325 x 3938 (300dpi)

Keywords

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