Testing an electrical transformer. Transformers are used to convert electrical voltage from one level to another,usually from a higher voltage to a lower voltage. This transformer is being tested to ensure that it efficiently converts 300 kilovolts into 10 kilovolts. Photographed in 1906 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NATIONAL PHYSICAL LABORATORY (c) CROWN COPYRIGHT |
Bildgröße: | 3687 px × 4929 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |