Steven Senne/AP Photo
  • The oldest known time capsule in the U.S., which was buried by Samuel Adams and Paul Revere, was opened Jan. 6, 2015. It was buried under a cornerstone of the Massachusetts State House. Pamela Hatchfield, Robert P. and Carol T. Henderson Head of Objects Conservation at the Museum of Fine Arts, Boston and Michael Comeau, Executive Director, Massachusetts Archives, presented the 10-pound brass box that measures 5.5 inches by 7.5 inches by 1.5 inches.
    Courtesy Museum of Fine Arts, Boston
  • Museum of Fine Arts Boston Head of Objects Conservation Pam Hatchfield removes a folded 19th century newspaper from a time capsule at the museum, Jan. 6, 2015, in Boston.
    Steven Senne/AP Photo
  • Museum of Fine Arts Boston Head of Objects Conservation Pam Hatchfield displays a silver plaque removed from a time capsule at the museum, Jan. 6, 2015, in Boston.
    Steven Senne/AP Photo
  • Museum of Fine Arts Boston Head of Objects Conservation Pam Hatchfield displays a coin as she removes it from a time capsule at the museum, Jan. 6, 2015, in Boston.
    Steven Senne/AP Photo
  • Contents of a time capsule found in the cornerstone of the Massachusetts State House building and undergoing examination and conservation work at the Museum of Fine Arts, Boston, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • Contents of a time capsule found in the cornerstone of the Massachusetts State House building and undergoing examination and conservation work at the Museum of Fine Arts, Boston, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • Contents of a time capsule found in the cornerstone of the Massachusetts State House building and undergoing examination and conservation work at the Museum of Fine Arts, Boston, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • Contents of a time capsule found in the cornerstone of the Massachusetts State House building and undergoing examination and conservation work at the Museum of Fine Arts, Boston, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • Contents of a time capsule found in the cornerstone of the Massachusetts State House building and undergoing examination and conservation work at the Museum of Fine Arts, Boston, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • A time capsule found in the cornerstone of the Massachusetts State House building prior to opening, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston
  • A time capsule found in the cornerstone of the Massachusetts State House building with the contents removed, on Jan. 6, 2015.
    Courtesy Museum of Fine Arts, Boston