Miniature light bulbs and battery. Wire-ended miniature incandescent light bulbs connected to the terminals of a zinc-carbon battery. Unlike larger incandescent bulbs,these ones are connected to their power supply with wires. These bulbs are similar in size to an LED (light-emitting diode),but unlike LEDs produce light by passing electricity through a metal filament that heats up and glows | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Lawry, Lawrence |
Bildgröße: | 5137 px × 3412 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |