Solar powered torch. Solar powered torch (yellow) on a backpack (grey). The torch has a bank of silicon photovoltaic cells (dark grey strips). These cells charge up an internal Nickle Cadmium battery on exposure to sunlight. Manufactured in Australia | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Burgess, Dr. Jeremy |
Bildgröße: | 2483 px × 3661 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |