Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Attention ESVA Patrons:

The Emilio Segrè Visual Archives’ site is moving soon and adopting an open access approach to digital image sharing. Once we have transitioned to the new site in 2021, we will no longer charge for our high-resolution digital images or usage fees (note that we do not hold copyright to all the images in our collections and you will still need to obtain permission for those which we do not own).

If you are working on a long-term project, we advise you to wait until the migration is complete so that you may obtain our copies for free. If you cannot wait, email us at nbl [at] aip.org and we will do what we can to assist you. We will not be offering refunds for past purchases.

For more information, please visit our FAQ page on the Ex Libris Universum blog. 

Bromley David Allan F8

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Bromley David Allan F8

Donor: 
David Allan Bromley
Image title: 
First EM Tandem Particle Accelerator
Credit line: 
AIP Emilio Segrè Visual Archives, Bromley Collection
Description: 

Caption courtesy D. Allan Bromley: "The first EN tandem [particle] accelerator installed in its shielding vault at the Chalk River Laboratories of Atomic Energy of Canada, Ltd., in 1959. In the foreground is the precision magnet that defined the beam energy and to the left is the switch magnet that directed the analyzed beam into selected target locations beyond the shield wall. The is accelerator has a maximum terminal potential of 5 MV."

Photo date: 
1959
Original format: 
1 photographic print (black and white; 9.5 x 7.5 inches)
Person(s): 
Bromley, D. Allan (David Allan), 1926-2005
Collection: