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 must have been about 10 when my father became obsessed with the customs and institutions of pre-World War II England. Unconcerned with either appropriateness or reality, he even had big plans for me ...

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 full shift carbide mining lamp ...

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 ...

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 carbide mining lamp was made by ...