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2. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   An infrared heater or heat lamp is a heating appliance containing a high-temperature ... Because far infrared technology does not heat the air of the room directly ...

3. Infrared lamp - Wikipedia

   en.wikipedia.org/wiki/Infrared_lamp

   Infrared lamps are also used for some night vision devices where visible light would be objectionable. Infrared lamp sources are used in certain scientific and industrial instrument for chemical analysis of liquids and gases; for example, the pollutant sulfur dioxide in air can be measured using its infrared absorption characteristics.

4. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   An HMI head on a stand. Hydrargyrum medium-arc iodide (HMI) is the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp, [1] made specifically for film and entertainment applications. Hydrargyrum comes from the Greek name for the element mercury. An 18kW HMI Bulb

5. Infrared - Wikipedia

   en.wikipedia.org/wiki/Infrared

   Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with waves that are just longer than those of red light (the longest waves in the visible spectrum ), so IR is invisible to the human eye.

6. Gas mantle - Wikipedia

   en.wikipedia.org/wiki/Gas_mantle

   Hot gas mantles. The lowest visible mantle has partially broken, reducing its light output An 85 mm Chance Brothers Incandescent Petroleum Vapour Installation. The mantle is a roughly pear-shaped fabric bag, made from silk, ramie-based artificial silk, or rayon.

7. Balanced-arm lamp - Wikipedia

   en.wikipedia.org/wiki/Balanced-arm_lamp

   A balanced-arm lamp has a base, a stand or body, (in most cases) two connected arms (in many cases fitted with springs), and a lamp-head. The lamp can be moved into almost any position, and the balancing device will maintain the position until moved again. The same overall mechanism can be employed in other devices with similar requirements ...