file:Liquid hydrogen bubblechamber.jpg

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English: First tracks observed in John Wood's one-and-1/2-inch liquid hydrogen bubble chamber. Photograph taken May 25, 1955. Bubble Chamber-24

Français : Premières traces (trainées de bulles) observées dans une chambre à bulle, dans de l'hydrogène liquide, par John Wood, en 1954.

Source: english wikipedia, original upload 25 December 2004 by Deglr6328
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Source Original source:
National Archives and Records Administration
Record Group 434: General Records of the Department of Energy, 1915 - 2007
Series: Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Lawrence Berkeley National Laboratory, 1996 - 2014
Likhe waala Uncredited/DOE
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Public domain This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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