3 Metaphors for optics

Experimental optics; being a series of simple and brilliant experiments with light, and how to make all kinds of optical instruments.

Optics and the Undulatory Theory of Light had been very favourite subjects with him, and he had written and lectured frequently upon them.

Faraday's original experiment as to the relation between light and magnetism is thus again experimentally demonstrated; and, Maxwell's electro-magnetic theory of light now resting on experimental fact, optics becomes a branch of electricity.

3 Metaphors for  optics