The Madison County Public Library, has organized a collection of GPS enabled maps. Using a free smartphone App, you will be able to see your exact position on the map. It's like having a YOU ARE HERE sign follow you around. The maps may be found on our Community Information page or by clicking here.
micrometer (Î¼m) [ 1 mÄ«kromâ²ÉtÉr] 2  1 an instrument used for measuring small angles or distances on objects being observed through a microscope or telescope. 3  2 [mÄ«â²krÅmÄâ²tÉr] , a unit of measurement, commonly referred to as a micron, that equals one millionth (10-6) of a meter.
A multimeter or a multitester, also known as a VOM, is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter can measure voltage, current, and resistance. Analog multimeters use a microammeter with a moving pointer to display readings. Digital multimeters have a numeric display, and may also show a graphical bar representing the measured value. Digital multimeters are now far more common due to their cost and precision, but analog multim