Cyanometer, c. 1789, an instrument that measures the blueness of a sky.
From Chemin Faisant
Blue is my favourite colour.
Cyanometer, c. 1789, an instrument that measures the blueness of a sky.
From Chemin Faisant
Blue is my favourite colour.
Cyanometer, c. 1789, an instrument that measures the blueness of a sky.
From Chemin Faisant
Blue is my favourite colour.