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The First 100 Years
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Instruments
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Blink comparator
Views: 3763
Blink comparator
Views: 3872
Lyndsay Smith at the blink comparator
Views: 4602
Lyndsay Smith at the blink comparator
Views: 4240
Hogg photometer, 1974
Views: 3509
Zeiss spectrometer
Views: 3513
Two-channel polarimeter
Views: 3697
Two-channel polarimeter, 1964
Views: 3191
Two-channel polarimeter, 74"
Views: 3311