Oersted's Apparatus Handle Type_Wood Selected through four rotary-switch decades

Selected through four rotary-switch decades from 0 to 11

Double-walled in aluminum to minimize heat exchange with the surrounding air

and prism table for measuring wavelengths and the refractive indices of solids and liquids

each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it

3 glass Griffin-form beaker shot glasses hold 3

Oersted's Apparatus Handle Type_Wood Selected through four rotary-switch decadesReproduces Oersted's 1820 experiment, deflecting a pivoting cobalt steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field.