Manhattan Project Shield Window Fragment - SOLD 125g opal the layers fused together to

the layers fused together to form one of the most beautiful and completely accidental man-made composites

Above: The Moon & Stars Necklace

There are two sizes available

with estimated ages between 140

there are a handful of smaller full windows and very large fragments of glass available

Manhattan Project Shield Window Fragment - SOLD 125g opal the layers fused together toThis 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,