5H40.10 Parallel Wires *U of M Favorite*
5H40.11 Parallel Wires on Overhead
5H40.15 Interacting Coils *PIRA 200*
5H40.23 Vibrating Lamp Filament
5H40.30 Jumping Long Straight Wire *PIRA 200*
5H40.35 Jumping Coil of Wire *U of M Favorite*
5H40.36 Swinging Wire in Earth's Magnetic Field
5H40.40 Current Balance
5H40.53 Homopolar Motor
5H40.71 Ampere's Motor