owlmylove: free-parking: cyanometer, c. 1789, an instrument that measures the blueness of a sky do you love the color of the sky

owlmylove: free-parking: cyanometer, c. 1789, an instrument that measures the blueness of a sky do you love the color of the sky

tags: My Blog,

from: https://arabla.tumblr.com/post/118843589237