M0015833: Crookes' type discharge tube and X-ray tube with ring-shaped anode

Date:
1957
Reference:
WT/D/1/20/1/141/84

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0015833: Crookes' type discharge tube and X-ray tube with ring-shaped anode. Source: Wellcome Collection.

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