Orrery

  • Principle Illustrated: Terrestrial and Lunar Motion, Eclipse

    Charles Boyle,
    4th Earl of Orrery, 1731

    A lamp bulb illuminates a large yellow sphere (sun), so that the phases of the moon, as well as solar and lunar eclipses can be demonstrated as the chain linked earth and moon 'orbit' the sun.

    This demo can be found in cabinet B on shelf 1 of the UCSD PUL Demo Room (WLH 2015).



  • Request Demo