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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. 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]

4. Lamp - Wikipedia

   en.wikipedia.org/wiki/Lamp

   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; Safety lamp, any of several types of lamp that provides illumination in coal mines Davy lamp

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 quantity).

6. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   Sealed beam PAR lamp. When the lamp burns out or breaks, the whole assembly must be replaced. A PAR lamp consists of a light source, with lens and a parabolic reflector with a smooth aluminium surface determining the spread of the beam. The most common sealed beam type combines these three elements into an integral unit.

7. Borescope - Wikipedia

   en.wikipedia.org/wiki/Borescope

   Schematic view of a rigid borescope Borescope in use, showing typical view through the device. A borescope (occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the ...