Expendable bathythermograph, underwater temerpature measuring device, by Plessey Electronics Group, Plessey Co. Ltd., Ilford, London, 1970-1977. Probe attached to copper wire which is anchored to associated plastic cannister.
- Object Number:
- copper (metal), galvanised steel, paper (fibre product), plastic (unidentified) and steel (metal)
- furnishing and equipment
- measuring device - instrument
- Plessey Environmental Systems (UK)
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