タイトルまたは説明

Cavendish Gravitation Balance This classic instrument is used to measure the value of G (gravitational constant) the same way Sir Henry Cavendish did in ***9. Consists of a pair of small lead balls mounted on a "T" member suspended with a thin wire and a pair of large lead balls. Oil damping is provided for faster results. Other demo kits in Earth Science category are: Foucault Pendulum Apparatus, Coriolis Effect Kit, Simple Harmonic Oscillation Projection Demonstrator, Secchi Disc. For detail description, please visit website http://*****/earth_science_kit.html