Source
Steam Shovel (Wikipedia)
Wikipedia
The Wikipedia article on the steam shovel, consulted for William Otis's 1839 invention and the machine's use in mining and construction worldwide.
Facts
AuthorWikipedia contributors
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/Steam_shovel
Source TypeReference Work
Reliability Tier2
Sources
Steam Shovel (Wikipedia)
Claims Backed By This Source (19 claims)
This source backs 19 claims across the atlas. As facts: 10 well-attested. As cited relationships: 4 holds. Plus 5 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Inventions, 11 claims: 4 well-attested, 2 holds, 5 general references.
- Sources, 6 claims: 6 well-attested.
- Engineers, 2 claims: 2 holds.
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