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 cotton miner’s cap has a leather ...

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 ...