More pictures of pronails
![Ernest Orlando Lawrence examining 37-inch cyclotron vacuum chamber with the lid removed, around 1935. Morgue 1958 (P-14) [Photographer: Donald Cooksey] - NARA & DVIDS Public Domain Archive Public Domain Search](https://i0.wp.com/cdn10.picryl.com/photo/2014/12/31/ernest-orlando-lawrence-examining-37-inch-cyclotron-vacuum-chamber-with-the-0ca800-1024.jpg)
![Ernest Orlando Lawrence at the 60-inch cyclotron, 1937. Morgue 1958-8 (P16) [Photographer: Donald Cooksey] - NARA & DVIDS Public Domain Archive Public Domain Search](https://i0.wp.com/cdn10.picryl.com/photo/1937/01/01/ernest-orlando-lawrence-at-the-60-inch-cyclotron-1937-morgue-1958-8-p16-photographer-e6e635-1024.jpg)
pronails
