Feb. 2008. A Cyclotron (particle accelerator) that weighs as much as a Boeing 747, was moved from the Phila. shipyard to the University Pennsylvania Hospital. A major part of the new Roberts Proton Therapy Center that was under construction. The world’s largest Proton Therapy Canter. Due to its weight, the trip was slow, and took many hours. I videotaped and edited this for the Phila. Inquirer. http://makinghistory.upenn.edu/node/313

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