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2. Fragrance lamp - Wikipedia

   en.wikipedia.org/wiki/Fragrance_lamp

   The original Berger lamp used methyl alcohol, while modern lamps use isopropyl alcohol (90% or more). [5] Perfumes or essential oils may be added. To start the catalytic process it is necessary to allow the wick to thoroughly absorb the fuel and then to light the catalytic burner with a flame and let it burn for approximately two minutes until the catalytic stone reaches the correct operating ...

3. Betty lamp - Wikipedia

   en.wikipedia.org/wiki/Betty_lamp

   The Crusie lamp consists of two lamp pans, one above the other. Fuel drip from the upper lamp pan fell into the lower pan minimizing oil/grease mess below the lamp. In the evolution to the Betty lamp, replacing the upper lamp pan with a metal wick holder inside the lower pan reduces the amount of metal needed for the lamp. Adding a top cover ...

4. Aroma lamp - Wikipedia

   en.wikipedia.org/wiki/Aroma_lamp

   Aroma lamps, or diffusers, are used to diffuse essential oils. [1] They may project the oil into the air by heating it, letting it evaporate naturally, or nebulizing it using compressed air or ultrasonics.

5. Kerosene lamp - Wikipedia

   en.wikipedia.org/wiki/Kerosene_lamp

   Flat-wick lamps have the lowest light output, center-draft round-wick lamps have three to four times the output of flat-wick lamps, and pressurized lamps have higher output yet; the range is from 8 to 100 lumens. A kerosene lamp producing 37 lumens for 4 hours per day for a month (120 hours) consumes about 3 litres (6.3 US pt; 5.3 imp pt) of ...

6. Oil lamp - Wikipedia

   en.wikipedia.org/wiki/Oil_lamp

   Group of ancient lamps (Hellenistic and Roman) Simple contemporary Indian clay oil lamp during Diwali Antique bronze oil lamp with the "Chi Rho", a Christian symbol (replica) Sukunda oil lamp of Kathmandu Valley, Nepal Oil lamp of Korea Modern oil lamp of Germany with flat wick. An oil lamp is a lamp used to produce light continuously for a ...

7. Argand lamp - Wikipedia

   en.wikipedia.org/wiki/Argand_lamp

   The Argand lamp is a type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas, brighter than that of earlier lamps. Its more complete combustion of the candle wick and oil than in other lamps required much less frequent trimming of the wick.