Manhattan Project Shield Window Fragment - SOLD 125g opal In between these extremes

In between these extremes

There are two sizes available

If you are ordering a Mini Museum

Documented evidence of mining in this region dates back to the Spanish conquest

and Roman arrowheads became indistinguishable from those used by these groups

Manhattan Project Shield Window Fragment - SOLD 125g opal In between these extremesThis 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,