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The First 100 Years
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Instruments
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Spectroheliograph
Views: 4476
Nebular Spectrometer
Views: 2979
Nebular Spectrometer after 1952 fire
Views: 2841
Wehner
Views: 3676
Wehner
Views: 3680
Wehner
Views: 3649
Moon camera
Views: 3545
Rotary photometer
Views: 3690
Rotary photometer
Views: 3808
Album info
Title:
Instruments
Description:
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