This tube used an electrostatic inverter to focus an image from a spherical cathode onto a spherical screen (The choice of spheres was to reduce off-axial aberrations).

At first the spherical screen was mirror-like, throwing back grotesquely distorted images of the silent onlookers.

Taking up a position a few hundred miles away from the Terrestrial cruiser, it shot out a spherical screen of force to clear the ether of chance bits of debris.

A spherical screen covered in ordinary latex paint hangs suspended in the center of a projection space.

This instrument upon my wrist is not a watch, but the generator of a spherical screen through which no robot beam or ray can operate without my knowledge.

A haze of livid light had appeared, gnawing viciously at his spherical protective screen, and he sprang instantly to his instruments.

This tube used an electrostatic inverter to focus an image from a spherical cathode onto a spherical screen.

The shows are displayed on a spherical screen surrounding the audience on all sides.

There was worldwide adoration on the spherical screen of the apparitionsphere.

Others are antiques, and still others are state-of-the-art inventions, which project onto a spherical screen.