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.
Elysburg Attractions: Knoebels Amusement Resort, Weiser State Forest, and Anthracite Outdoor Adventure Area. The small town of Elysburg in Northumberland County, Pennsylvania is perhaps best known as being the home of Knoebels Amusement Resort, a family-owned and operated amusement park.