Foucault Pendulum for demonstrating the Earth's rotation, 1883 (demonstration models: Foucault pendulum demonstrations)
Circular Glass Mirror, Silver and Platinised, by Leon Foucault, 1857-1868 (components; concave mirrors; glass mirrors; astronomical instruments)
Silvered and platinized glass (Foucault) (components; concave mirrors; glass mirrors; astronomical instruments)
Foucault pendulum explanatory exhibit. (Foucault pendulum apparatus; physics demonstration equipment)
Stand for scale used in Foucault's Gyroscope Demonstration (components; demonstration models; gyroscopes; scales (rules))