A Coolidge X-ray tube for producing X-rays.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: A Coolidge X-ray tube for producing X-rays. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: A Coolidge X-ray tube for producing X-rays. Wellcome Collection. Source: Wellcome Collection.