Keywords: Beta calutron.jpg en These second stage racetracks were much smaller than the alpha racetracks and contain fewer process bins Note that the oval shape of the Alpha I racetrack has been abandoned for ease of servicing 1947-09-15 http //www osti gov/includes/opennet/includes/MED_scans/Book 20V 20- 20 20Electromagnetic 20Project 20- 20Volume 201- 20General 20Featur pdf Manhattan District History - Book V Electromagnetic Project - Volume 1 - General Features United States Army Corps of Engineers other versions PD-USGov Uploaded with UploadWizard Calutron |