Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Type_Round End the wider face area handling

the wider face area handling broader incident beams for refraction and wavelength experiments

and a central control module

this microphone amplifier connects a microphone input to both an integrated speaker and an oscilloscope-driving amplified signal for waveform study

Polished 8cm brass sphere on an ebonite-insulated metal base

Electronic Stability Program Module - Item # AT-5202

Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Type_Round End the wider face area handlingElectrostatic friction rod kit pairing wool, cotton, and silk cloths with glass, ebonite, and acrylic rods for triboelectric charge generation experiments in series.