
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 |