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Black and white photograph of the Cockcroft-Walton machine with Walton sitting in the observation 'tent' and Cockcroft in the background taken in 1932. Protons were directed onto a lithium target and the products of the interactions were observed on a zinc flouride fluorescent screen. Walton succeeded in observing the first artificial nuclear disintegrations, at the same time validating Einstein's mass energy relation E = mc2<\/sup><\/i>. Nothing remains of this instrument. Cockcroft and Walton were awarded the 1951 Nobel Prize in Physics for this work.<\/p>"
},
{
"label": "Date of Creation",
"value": "1932"
},
{
"label": "Title",
"value": "Walton observing alpha-particles with the Cockcroft-Walton machine (1932)"
},
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"value": " Negative: glass <\/p>"
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"value": "Copy photographed by Walter Andrews; Associated images: P514, P516, P558, P651"
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