Please check the 1850 US Census in Philadelphia, Pennsylvania for the following individuals: Thomas Bishop, age 60-80, born in England; his wife Angelica, age about the same, birthplace unknown; and their son Joaquim, age 47, born in Portugal. Thomas and/or Angelica may be listed as artists or painters. Joaquim was a chemist, working with platinum. If possible, please send me an image of the census page. Thanks in advance, Bob George, Olympia, Washington