Photograph film positive 16" x 20"

Photograph film positive 16" x 20" (black-and-white transparencies; astrophotographs; Sun)

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Photograph film positive 16" x 20", of the Sun, photographed with the 60-ft Tower Telescope and 5-foot spectroheliograph of the Mount Wilson Observatory, 1917 August 12, size of image 15" x 19"

Details

Category:
Astronomy
Object Number:
1921-610
Measurements:
overall: 16 x 20 in.
type:
black-and-white transparencies, astrophotographs and sun
credit:
Mount Wilson Observatory