A mirror that reflects solar rays onto a central receiver. A heliostat automatically adjusts its position to track daily or seasonal changes in the sun's position. The arrangement of heliostats [..]

a mirror that tracks the sun, usually in order to concentrate solar power for electricity generationSTS offers progressive and high efficient heliostats, based on own patent pending technology tailore [..]

instrument consisting of a large mirror moving (usually by clockwork) with the arc of the sun and reflecting light in a specific direction.

A clock-driven instrument mount that automatically and continuously points in the direction of the sun. It is used with a pyrheliometer when continuous direct solar radiation measurements are required [..]

An instrument by which the rays of the sun can be flashed to great distances. Used in signalling.

Flat sun-tracking mirrors used to reflect and concentrate the suns' energy onto a central receiver tower.

Instrument used in hydrographic surveying for reflecting Sun's rays at one observation station to another at distances up 40 miles or so. Used when direct observations and identification of the s [..]