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2. 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 ...

3. Task lighting - Wikipedia

   en.wikipedia.org/wiki/Task_lighting

   Localized average lighting, where a lamp supplies both ambient light and task light; Freely adjustable task light such as a gooseneck, balanced-arm lamp, or swing-arm light. Asymmetric task light, where the lamp is placed at the side of the work area; There are also other approaches to task lighting, for example under-shelf luminaires.

4. 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

5. We found the 20 best gifts to buy your grandkids this season

   www.aol.com/lifestyle/best-gifts-grandkids-2024...

   It includes everything they need to unearth the 15 real gemstones—an excavation tool, magnifying glass, and excavation brush—plus it comes with a full-color guide to help them identify what ...

6. 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.

7. Lewis lamp - Wikipedia

   en.wikipedia.org/wiki/Lewis_lamp

   The lamp used a similar design to an Argand lamp, adding a parabolic reflector behind the lamp and a magnifying lens made from 4-inch-diameter (100 mm) green bottle glass in front of the lamp. A similar variant using a parabolic reflector was created by the inventor of the Argand lamp, Aimé Argand.