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2. Safety lamp - Wikipedia

   en.wikipedia.org/wiki/Safety_lamp

   A safety lamp is any of several types of lamp that provides illumination in places such as coal mines where the air may carry coal dust or a build-up of flammable gases, which may explode if ignited, possibly by an electric spark. Until the development of effective electric lamps in the early 1900s, miners used flame lamps to provide illumination.

3. Davy lamp - Wikipedia

   en.wikipedia.org/wiki/Davy_lamp

   A type of Davy lamp with apertures for gauging flame height. The lamp consists of a wick lamp with the flame enclosed inside a mesh screen. The screen acts as a flame arrestor; air (and any firedamp present) can pass through the mesh freely enough to support combustion, but the holes are too fine to allow a flame to propagate through them and ignite any firedamp outside the mesh.

4. Mining lamp - Wikipedia

   en.wikipedia.org/wiki/Mining_lamp

   1911 Prize offered for best electrical lamp 1911 Coal Mines Act made requirements for pit managers to take examinations, where can be used (including electrical), etc. 1920 Electrical lamp with built in accumulator 1924 Miners Lamp Committee – tests and recommendations 1950 Shale miner's electric safety cap lamp and battery pack made in ...

5. Geordie lamp - Wikipedia

   en.wikipedia.org/wiki/Geordie_lamp

   Stephenson's safety lamp shown with Davy's lamp on the left. The Geordie lamp was a safety lamp for use in flammable atmospheres, invented by George Stephenson in 1815 as a miner's lamp to prevent explosions due to firedamp in coal mines.

6. Carbide lamp - Wikipedia

   en.wikipedia.org/wiki/Carbide_lamp

   An acetylene gas miner's lamp. A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [1] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable ...

7. Wheat lamp - Wikipedia

   en.wikipedia.org/wiki/Wheat_lamp

   A wheat lamp is a type of incandescent light designed for use in underground mining, named for inventor Grant Wheat and manufactured by Koehler Lighting Products in Wilkes-Barre, Pennsylvania, United States, a region known for extensive mining activity. [1] [2] A safety lamp designed for use in potentially hazardous atmospheres such as firedamp ...