Electro-light Demonstrator Art No. 20718.21Art No. 20718.05- Plastic board 200mm x 120mm- Milliammeter 0~500mA- Ni-Cd Battery with 2 cells in series, each 1.2V/600mAh- Torch bulb- Mini-motor 3V- Solar Panel: Open circuit vo
May 12, 2017
Solar Car Art No. 20718.04Website:http://www.kelsun-cn.org
May 12, 2017
Solar Furnace Art No.: 20719.30to demonstrate that high temperature can be generated by focusing sunlight in an appropriate manner,Website:http://www.kelsun-cn.org, and illustrating an "alternative" method of hea