A Tellurian is used to demonstrate the seasons and lunar phases. It includes models of the Sun, Earth and Moon.  In this model, a 3-inch Rand McNally terrestrial globe (copyright 1891) rotates at the end of a long wooden arm.  A Moon revolves around the Earth, painted black and white to show its phases.  Both Earth and Moon together revolve around the central brass sphere representing the Sun.  

This model also includes the planet Venus, painted black and white like the Moon to demonstrate its phases after their discovery by Galileo.  

The weighted brass base displays an inset circular zodiac dial.  The central stand and arm are made of maple.  

When a metal post under the arm is turned by hand, the Earth, Moon and Venus move in due proportion by means of a chain drive patented by Frank Trippensee in 1908.

See Edward Hovey, Elements of Mathematical Geography - A Hand Book for School and Home Use in Connection with the Trippensee Planetarium (Detroit, 1911).