Wilson Cloud Chamber Products Category : Physics, Energy > Physical Instruments, Experiment INQUIRY Details Using the radioactive-element Americium , leveraged demonstrator of physics. The effect is obvious. Measuring range: αray, Weight: 3.7KG. Send Inquiry Name:* E-mail:* Tel: Content:* Verification Code:* (All * must be filled in) [ Previous: ] [ Next: ] Related Products Receiving and Transmitting Electromagnetic Waves Liuduan Power Supply Large-Screen Oscilloscope Sympathetic Chord Simple Motor Friction Digital Voltmeter DC Current and Magnetic Field