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.
To amend the Articles into a workable government, 74 delegates from the twelve states were named by their state legislatures; 55 showed up, and 39 eventually signed. On May 3, eleven days early, James Madison arrived to Philadelphia and met with James Wilson of the Pennsylvania delegation to plan strategy.