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...
Electromagnetic bell with plastic base, for 3-6 V dc Complete with transparency cover to observe the way bell worked Terminal 4mm socket Dimension: (L) 16.00...
Ripple tank development of the previous version, with Digital stroboscope technology. This Ripple tank has capable of displaying the benefits of the wave of impressions...
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