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The First 100 Years
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Instruments
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Blink comparator
Views: 4213
Blink comparator
Views: 4425
Lyndsay Smith at the blink comparator
Views: 5356
Lyndsay Smith at the blink comparator
Views: 4641
Hogg photometer, 1974
Views: 3911
Zeiss spectrometer
Views: 3957
Two-channel polarimeter
Views: 4133
Two-channel polarimeter, 1964
Views: 3597
Two-channel polarimeter, 74"
Views: 3715
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Instruments
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