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Traffic Light (Wikipedia)

Web Reference

The Wikipedia article on the traffic light, consulted for the December 1868 first installation in London and the electric-signal lineage that followed. This description is adapted from Wikipedia

Facts
Publisher
Wikimedia Foundation
URL
https://en.wikipedia.org/wiki/Traffic_light
Source Type
Reference Work
Reliability Tier
2
Sources
Traffic Light (Wikipedia)
Wikimedia Foundation
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Claims Backed By This Source (8 claims)

This source backs 8 claims across the atlas. As facts: 6 well-attested. As cited relationships: 1 holds. Plus 1 entities citing it as a general reference with no single fact or relationship attached.

Disposition By Topic

  • Sources, 5 claims: 5 well-attested.
  • Inventions, 3 claims: 1 well-attested, 1 holds, 1 general references.

Well-attested

6

Inventions

Holds

1

Inventions

General References

1

Inventions

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