Electrostatic materials setup:
Rabbit fur, paper towel, rubber rod, glass rod, electroscope,
charge transfer disk, foil suspended from pendulum clamp by thread
Foil detectors stored on piece of cardboard
(Phys 152 bits shown; 104 similar)
Setup for no charge inside a conductor
(set up on side bench)
Electroscope Detail
Wire connection to small spheres
The hollow sphere and styrofoam ball,
when charged
The hollow sphere
(with carbon-coated styrofoam ball suspended nearby)
An old Tektronix 502A Dual Beam oscilloscope is set up by the blackboard.
Note that plastic cover with grid is removed from scope face