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 ...

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 ...

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 ...

I first saw carbide lamps in the tool exhibit in the Vigo County Historical Museum. I did not know what they were — light bulb sockets, perhaps? So I did some research and found that the carbide lamps ...

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 ...

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 ...

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 ...

Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum as told by museum ...

This story was submitted to the People’s War site by Anne Wareing on behalf of Margaret Coultherd and has been added to the site with her permission…. Clapham 1944 they didn’t know much about the war, ...