There was this test system that comprised a huge row of equipment racks into which various items of test equipment would be mounted. Those items were a digital multimeter, an oscilloscope, several ...

The neon glow lamp tester is a staple in every electronics hobbyist’s lab. Here’s how to build one right in your own home. You may wonder what’s so cool about the “historical” neon glow lamp. For ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Moore neon glow lamp, ca. 1895. Brass ...