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The First 100 Years
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Instruments
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Spectroheliograph
Views: 4418
Nebular Spectrometer
Views: 2926
Nebular Spectrometer after 1952 fire
Views: 2790
Wehner
Views: 3624
Wehner
Views: 3628
Wehner
Views: 3591
Moon camera
Views: 3490
Rotary photometer
Views: 3634
Rotary photometer
Views: 3753
Album info
Title:
Instruments
Description:
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