Crookes tube :  

1.It  is composed of the following parts:

glass envelope, conduction track support, paddle Wheel, circular plate, support, etc.

 Accessory

1.Low voltage D.C. source 10-12V.

2. High voltage induction coil: Spark distance 50-80mm.

3. Voltage adjustable transformer: A.C. 220V±10V.

4. High voltage D.C. source: 250V-300v.

5. U-shape magnet: pole distance 50-70mm.

6. Connecting wires and with crocodile clips.

Demonstration Environment Condition

1. Relative humidity is not greater than 80%.

2. Temperature: -10-40.