You have seen them in antique stores, especially in mining towns: tarnished brass cylinders with a reflective dish on one side and a bracket for clipping them onto a ...

Calcium carbide is created by heating a lime and carbon mixture in an arc furnace to a temperature of between 3,632 to 3,812 degrees. Calcium carbonate is a fairly hard substance that reacts violently ...

The first factory for the Guy’s Dropper, one of the most popular miners’ lamps ever made, was a back porch on Douglas Avenue. The Guy’s Dropper was a carbide lamp, which uses a mix of water and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This lamp was made by the Dewar ...

After around 1915, miners debated which technology they favored to light their work underground, a carbide lamp or a battery light. Both were superior to candles and oil lamps that would blow out when ...

Q: Attached are some pictures of an antique carriage lantern from the 1800s. I was wondering if you could give me an idea of how much it is worth. S.M., Internet A: You have an antique carbide-type ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Pushing back the night with light of our own making was the first ...

Lighting has played a critical role in the safety of underground coal and metal mining for several thousand years. Challenges in an underground mine environment include dust, confined spaces, surfaces ...