Carbide lamp
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A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene, which is created by the reaction of calcium carbide with water.
An acetylene gas miner's lamp
A French manufactured acetylene gas lamp, of circa 1910, mounted on a bicycle
Carbide acetylene gas generator, drip type (Autocar Handbook, Ninth edition)
Advertisement for home acetylene gas lighting, 1922
Headlamp (outdoor)
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A headlamp, headlight, or head torch is a light source affixed to the head typically for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, ca
Headlamp attached to a helmet
Halogen headlamp primarily used for night orienteering with separate battery case and lamp
LED headlamp with batteries and lamp combined
Coal miners wearing headlamps in 1946. At the end of the shift the lamps would be checked into the lamp house for recharging and maintenance.