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 ...

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 ...

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 mining lamp is a “Guy’s Dropper” ...

Before the light bulb, cars still had headlights powered by oil and acetylene that had to be lit individually before driving ...

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, ...

This week's restoration features a 100+ year-old carbide bicycle lamp made in Birmingham, England by the Joseph Lucas company. The lamp operates using a chemical reaction between water and calcium ...