For almost a decade the poet Johann Wolfgang von Goethe studied the nature of color, until his investigations in 1810 led him to his book "Zur Farbenlehre". His water-coloured pencil drawings on the subject gained world fame.
Round keychain with rendition of the colour wheel of J W von Goethe.
Photoprinting on metal
Diametre 4 cm / 1.6 inch
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