Manhattan Project Shield Window - Full Window 54" Wide giftspaleo These stones have been smoothed

These stones have been smoothed and shaped as palm stones

a data point which is reflected in the study of extinction rates in many smaller forms of life including foraminifera as well as larger species like the dinosaurs

In the early Mesozoic era

including dinosaurs

Manhattan Project Shield Window - Full Window 54" Wide giftspaleo These stones have been smoothedA truly exceptional, one of a kind artifact from WWII. This complete shield window from the Manhattan Project's T 221 Plant in Hanford, Washington is breathtaking to behold. If youre wondering what that big rock is in the center of the picture, its a $1,800,000 crystal standing behind the window. Yes, the glass is really that clear. Please Note: SMALLER fragments of the Manhattan Project Shield Window are available. Click here to learn more! The