File:Tripin 1911.jpg
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Summary
Illustration of "Tripin" 3-pin earthed plug manufactured by A. P. Lundberg & Sons of London and dated 1911
Copyright status:
public domain
Source:
Book: "SMALL SWITCHES, etc., and their CIRCUITS" (1911)
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:33, 17 February 2018 | | 739 × 618 (112 KB) | Thales (talk | contribs) | Illustration of "Tripin" 3-pin earthed plug manufactured by A. P. Lundberg & Sons of London and dated 1911 |
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