1. Neon lamps use collision of electrons with the gas to excite these emissions.2. Measure the voltage at the terminals of the neon lamp . 3. The neon lamps on their underbellies and along their sides trace their frantic movements. 4. Such indicators were originally incandescent lamps or neon lamps , but now are usually LEDs. 5. Once the neon lamp has reached breakdown, it can support a large current flow. 6. Neon lamps were used in the early 20th century.7. When the photoelectric cell was detecting a bright spot, the neon lamp would be bright. 8. Novelty neon lamp , similar to the flame flicker bulbs. 9. An earlier tuning aid which the magic eye replaced was the " tuneon " neon lamp . 10. Fender replaced them with neon lamps , which increased the modulation frequency and reduced the controlling currents.