Definitions

from The Century Dictionary and Cyclopedia

  • n. A fluorescent screen, with a hood, for the observation of bodies under the action of X-rays; a *fluoroscope (which see, with cut).

Etymologies

Sorry, no etymologies found.

Examples

  • Salvioni to this sort of "spy-glass" -- if one may apply this term to an instrument which has no glass -- is that of "cryptoscope" (seeing that which is hidden).

    McClure's Magazine, Vol. 6, No. 6, May, 1896

  • Salvioni of Perugia has invented a "cryptoscope," which enables us to see the hidden object without the aid of photography by allowing the rays to fall on a plate coated with one of these phosphorescent substances.

    The Story of Electricity

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