Colorimetry (American English) or Colourimetry (British English; see spelling differences) is the science and technology used to quantify and describe physically the human color perception ..olorimetry (American English) or Colourimetry (British English; see spelling differences) is the science and technology used to quantify and describe physically the human color perception ..
Madison, Pennsylvania. For townships in Pennsylvania with similar names, see Madison Township, Pennsylvania (disambiguation). Madison is a borough in Westmoreland County, Pennsylvania, United States. The population was 397 at the 2010 census. The borough was named for James Madison, 4th President of the United States.
The population was 3,636 at the 2000 census. The city is the county seat of Morgan County. Most of its nearly 100 Antebellum homes have been carefully restored, which led to Holiday Travel magazine's naming Madison The Prettiest Small Town in America. In 2001, Madison was voted the #1 Small Town in America by Travel Holiday Magazine.