We rarely have such a grand specimen of a Nicol prism as this.
I may add that the Cypridina light like any other light may be polarized by passing through a Nicol prism.
A Nicol prism large enough to embrace the entire beam of the electric lamp was placed between the lamp and the experimental tube.
Now I put in the lantern another instrument called a "Nicol prism."
It may be utterly quenched by a Nicol prism, the cloud from which it issues being caused to disappear.