Black and white photographic print showing model of cyclotron built by Ernest Orlando Lawrence and C.J. Cooksey 1936
Photograph, 7" x 5", showing vacuum chamber of cyclotron almost in place between the poles of the electro-magnet, (Lawrence & Cooksey cyclotron, 1936) Photograph, 7" x 5"
Photograph, 7" x 5", showing iron cover ready to be placed on cyclotron vacuum chamber (Lawrence & Cooksey cyclotron, 1936) (copied from 1938-505 No. 6) Photograph, 7" x 5"
