"I am not one who was born in the custody of wisdom. I am one who is fond of olden times and intense in quest of the sacred knowing of the ancients." Gustave Courbet

01 March 2018

Blueness.


The cyanometer, invented in the 18th century by the Swiss scientist Horace-Bénédict de Saussure, had one evanescent purpose: to measure the blueness of the sky.

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