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John Hadley (Wikipedia)
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The Wikipedia biographical article on John Hadley, consulted for his dates, occupation and the octant/sextant claim.
Facts
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/John_Hadley
Source TypeReference Work
Reliability Tier2
Sources
Claims Backed By This Source (12 claims)
This source backs 12 claims across the atlas. As facts: 11 well-attested. Plus 1 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Engineers, 7 claims: 6 well-attested, 1 general references.
- Sources, 5 claims: 5 well-attested.
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