The apparatus consists of two hook shaped metal rods that are adjusted on two glass rods. Two balls could be hung by each metal rod with insulating thread. These balls are missing at this apparatus.
Identifier: ΗΛ 025.2
Electroscope, "Pith ball"
The apparatus consists of two hook shaped metal rods that are adjusted on two glass rods. Two balls could be hung by each metal rod with insulating thread. These balls are missing at this apparatus.
Identifier: ΗΛ 025.2