the opposite borders and edges touch each other, upon which a green appears in the centre of the luminous image.
331 (215).
Objective experiments have been usually made with the sun's image:
Table of Contents
GOETHE'S
196
the opposite borders and edges touch each other, upon which a green appears in the centre of the luminous image.
331 (215).
Objective experiments have been usually made with the sun's image: