細節
PARKES AND HADLEY. Patent Orrery. London [circa 1880].
A coppered metal demonstration orrery, diameter of the horizontal plate 9½ inches (240mm), comprising the moulded metal plate with calendar scale and compass points, the centre with spirit burner, shade and reflector, the geared tellurium motion with a 3 inch diameter terrestrial globe by George Philip and Son, lightly varnished, moon ball attachment, the base plate mounted on a castmetal stand, overall height 9 inches (230mm). With accessories and instruction book in fitted pine case.
A coppered metal demonstration orrery, diameter of the horizontal plate 9½ inches (240mm), comprising the moulded metal plate with calendar scale and compass points, the centre with spirit burner, shade and reflector, the geared tellurium motion with a 3 inch diameter terrestrial globe by George Philip and Son, lightly varnished, moon ball attachment, the base plate mounted on a castmetal stand, overall height 9 inches (230mm). With accessories and instruction book in fitted pine case.