Modern technologies made lighted magnifying glass a very simple thing to implement. LED lights provide ample light, they are inexpensive, easily powered and relatively “cold”. The last circumstance makes them ideal even for working with antique books and maps, as you will be unlikely to cause any damage. Lighted magnifiers also relieve the reader of the need to use other sources of light at all times. Not only this saves electricity, but also helps maintain a cozy somewhat dimmed environment in the library — something that so many book owners cherish above all.
Here are several stylish designs for lighted magnifying glasses. In terms of functionality, my advice is to look at the number of LED lights. A single LED may not provide you adequate and even lighting.