High voltage power supply for spectrum tube. Equipped with spectrum tube holder, Input voltage: 110/220VAC Voltage output: 3 kV, 5mA (The output is continuously variable...
Geometric Optic Kit can be used to do simple observations and experiments concerning the geometric optic. Light reflection and refraction can be observe easily, especially...
The front end of the box produce wide, narrow, parallel, convergent, divergent beams. The rear end of the box produce light source for colour mixing....
A wave signal generator which produce wave in the form of rectangular, sinusoidal, trangle, sawtooth and pulse. It has strong enough to run Vibration Generator...
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