Late 19th Century Tellurium, six legged cast iron stand and arm, brass reflector and candle holder, printed horizon ring,17in high by 23in long,
Solar and lunar eclipses, and the succession of seasons, are among the astronomical principles demonstrated on Tellurium. This geared scientific instrument is comprised of a three-inch terrestrial globe cast iron arm with a spherical painted wood representation of the and a brass reflector representing the sun. This device serves its original educational purpose by providing a working model for students to visualize solar system.