X-rays simply explained : a handbook on the theory and practice of radiography / by R.P. Howgrave-Graham.

  • Howgrave-Graham, R. P. (Robert Pickersgill), 1880-
Date:
[between 1900 and 1909]

Licence: In copyright

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

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