MOSTRA TUTTI Astronomy Electricity Fluids Heat Studies Measurement Mechanics Optics MechanicsChinese dancer ElectricityColumn piles ElectricityCommutator for a rheostat ElectricityCommutator switch Heat StudiesConcave copper plates MechanicsContinuous screw model ElectricityCopper rod illustrating properties of points OpticsCopper sheets ElectricityCoulomb balance MechanicsCycloid and circle-arc guides ElectricityDaniell cell MeasurementDioptra ElectricityElectric carillon ElectricityElectromagnetic motor ElectricityElectromagnetic pendulum ElectricityElectrophorus