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Varley's carbon lightning protector
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Varley's carbon lightning protector, patented by C and S A Varley in 1866
Details
- Category:
- Telecommunications
- Object Number:
- 1923-269
- type:
- lightning protector
- credit:
- Institution of Electrical Engineers
Varley's carbon lightning protector, patented by C and S A Varley in 1866