ringoringoringo:
Horace-Bénédict se Saussure’s cyanometer, and instrument for measuring the blueness of the sky. (discovered via Vic)

ringoringoringo:

Horace-Bénédict se Saussure’s cyanometer, and instrument for measuring the blueness of the sky. (discovered via Vic)

(via mycockspurtssoftdiamonds)

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    There is just something both painful and clever in the idea of trying to define the exact shade of the sky. Can one have...
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