// todo need optimize like in event.jsp. Add indexing or not indexing this page. X-ray developments (1 janv. 1920 – 9 juin 1940) (La bande de temps)
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X-ray developments (1 janv. 1920 – 9 juin 1940)

Description:

Most of the early X-ray work was performed by doctors and the departments were often combined with electro-therapeutic departments. However, from about 1903 lay X-ray operators were appointed as assistants. Gradually more and more lay X-ray operators were appointed, training courses were set up and the Society of Radiographers was formed.

Ajouté au bande de temps:

Date:

1 janv. 1920
9 juin 1940
~ 20 years