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.
Madison is a town in Somerset County, Maine, United States. The population was 4,523 at the 2000 census(see below). The area was once territory of the Norridgewock Indians, a band of the Abenaki nation. Early visitors describe extensive fields cleared for cultivation. The tribe also fished the Kennebec River.