X-rays simply explained : a handbook on Röntgen rays in theory and practice / by R.P. Howgrave-Graham.

Licence: Public Domain Mark

Credit: X-rays simply explained : a handbook on Röntgen rays in theory and practice / by R.P. Howgrave-Graham. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.