Manhattan Project Shield Window Fragment - 125g earlyinterest It comes affixed to an

It comes affixed to an informational display card

Scientific experiments featured heavily in the rotation

beginning with Columbia's inaugural mission in 1981 and concluding with Atlantis' in 2011

000 miles (1

It dates to the early Eocene period

Manhattan Project Shield Window Fragment - 125g earlyinterest It comes affixed to anThis specimen is a 125 gram fragment of a leaded glass shield window installed in the T Plant (221 T) Plutonium Recovery Building, the first and largest of two production bismuth phosphate chemical separations plants used to extract plutonium from fuel rods irradiated in the Hanford Sites reactors. The Plutonium produced here was used in both the Trinity test on July 16, 1945, and in the "Fat Man" atomic bomb used over Nagasaki, Japan on August 9,