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2. Loupe - Wikipedia

   en.wikipedia.org/wiki/Loupe

   Loupe-mounted lights used to be fed by fiber optic cables that connected to either a wall-mounted or table-top light source. Newer models feature a more convenient LED lamp within the loupe-mounted light and an electric cord coming from either the conventional wall-mounted or table-top light source or a belt clip rechargeable battery pack.

3. Banker's lamp - Wikipedia

   en.wikipedia.org/wiki/Banker's_Lamp

   An example of a banker's lamp The banker's lamp is a style of electric desk or table lamp often characterized by a brass stand, green glass lamp shade , and pull-chain switch. Such a lamp was first patented in the United States under the Emeralite brand name.

4. Safety lamp - Wikipedia

   en.wikipedia.org/wiki/Safety_lamp

   The Sussmann lamp [58] was introduced into Britain in 1893 and following trials at Murton Colliery in Durham it became a widely used electric lamp with 3000 or so reported by the company in use in 1900 [59] However, by 1910 there were only 2055 electric lamps of all types in use – about 0.25% of all safety lamps. [60]

5. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   Magnifying glass on an arm lamp. The magnification of a magnifying glass depends upon where it is placed between the user's eye and the object being viewed, and the total distance between them. The magnifying power is equivalent to angular magnification (this should not be confused with optical power, which is a different

6. Lamp - Wikipedia

   en.wikipedia.org/wiki/Lamp

   Electric lamp, or light bulb, a replaceable component that produces light from electricity; Light fixture, or light fitting or luminaire, is an electrical device containing an electric lamp that provides illumination; Signal lamp, or Aldis lamp or Morse lamp, a semaphore system for optical communication

7. Hydrargyrum medium-arc iodide lamp - Wikipedia

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

   An HMI lamp uses mercury vapour mixed with metal halides in a quartz-glass envelope, with two tungsten electrodes of medium arc separation. Unlike traditional lighting units using incandescent light bulbs , HMIs need electrical ballasts , which are separated from the head via a header cable, to limit current and supply the proper voltage.