Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Los Alamos F3

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Los Alamos F3

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We charge a usage fee per photo if the photo is published, reproduced in a product or publicly exhibited. This is not a license in the legal sense. As a non-profit institution, we do not make any money providing these photographs. It is only by assessing usage fees that we are able to cover the cost of providing publication quality copies of our photos, preserving the photograph collection according to archival standards, and providing access to the collection by maintaining an online image database. The copyright holder may charge a fee in addition to our service fee.

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Image title: 
One of the first IBM card listing machines used at Los Alamos National Laboratory
Credit line: 
Digital Photo Archive, Department of Energy (DOE), courtesy of AIP Emilio Segrè Visual Archives

One of the first IBM card listing machines used at Los Alamos National Laboratory. The IBM punch cards accounting machines (PCAMs) equipment was used primarily to perform the numerical calculations necessary for the design of the implosion device.

Original format: 
1 photographic print (black and white; 8.5 x 5.5 inches)
Los Alamos National Laboratory