![David Sloan and J.J. Livingood work on the Sloan x-ray tube built at the University of California Hospital in San Francisco in 1932-33. With this machine Lawrence's backers hoped to break the stranglehold of the large electrical manufacturers on the high-voltage x-ray tube market. [Photographer: Donald Cooksey]](https://cache.getarchive.net/Prod/thumb/cdn10/L3Bob3RvLzIwMTQvMTIvMzEvZGF2aWQtc2xvYW4tYW5kLWpqLWxpdmluZ29vZC13b3JrLW9uLXRoZS1zbG9hbi14LXJheS10dWJlLWJ1aWx0LWF0LXRoZS11bml2ZXJzaXR5LWVkMmY5OS0xMDI0LmpwZw%3D%3D/40/51/webp "David Sloan and J.J. Livingood work on the Sloan x-ray tube built at the University of California Hospital in San Francisco in 1932-33. With this machine Lawrence's backers hoped to break the stranglehold of the large electrical manufacturers on the high-voltage x-ray tube market. [Photographer: Donald Cooksey]")
David Sloan and J.J. Livingood work on the Sloan x-ray tube built at t...
Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab
Country music superstar and USO veteran Toby Keith
Country music superstar and USO veteran Toby Keith hits a high note while singing "American Ride" to a crowd of service members and others at Camp Buehring, Kuwait, April 26.
Country music superstar and USO veteran Toby Keith
Country music superstar and USO veteran Toby Keith holds his microphone over a crowd of service members and others so they can sing along to his song "American Ride" during his show at Camp Buehring, Kuwait, April 26.
Some cheering service members hold up red Solo cups
Some cheering service members hold up red Solo cups as Country music superstar and USO veteran Toby Keith sings his song of the same name during his show at Camp Buehring April 26.
United States Army soldier Pfc. Melissa Green (right),
United States Army soldier Pfc. Melissa Green (right), holds up a red Solo cup and cheers with fellow soldier Spc. Thomas Goodpaster (left), as country music superstar and USO veteran Toby Keith sings "Red Solo... More