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 11th Congressional District of Pennsylvania is comprised of all of Columbia, Montour, and Wyoming counties and parts of Carbon, Cumberland, Dauphin, Luzerne, Northumberland, and Perry counties. Major locations in the district include Harrisburg, Sunbury, Carlisle, Tunkhannock, Hazleton, Bloomsburg, and Danville.