Mullard halogen quenched Geiger-Müller tube guide / Mullard Ltd.
- Mullard Limited. X-Ray Division.
- Date:
- [1960?]
Licence: In copyright
Credit: Mullard halogen quenched Geiger-Müller tube guide / Mullard Ltd. Source: Wellcome Collection.
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Licence: In copyright
Credit: Mullard halogen quenched Geiger-Müller tube guide / Mullard Ltd. Source: Wellcome Collection.