Source
Jackhammer (Wikipedia)
Wikipedia
The Wikipedia article on the jackhammer, consulted for the 1806 Samuel Miller steam-powered rock drill that the entity's own description already credits as the earliest ancestor of the tool, cited on the Jackhammer invention entity.
Facts
AuthorWikipedia contributors
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/Jackhammer
Source TypeReference Work
Reliability Tier2
Sources
Jackhammer (Wikipedia)
Wikipedia contributors, Wikimedia FoundationLead sectionQuote, Lead section
A jackhammer (pneumatic drill, breaker, demolition hammer or road hammer in Commonwealth English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel.
Claims Backed By This Source (10 claims)
This source backs 10 claims across the atlas. As facts: 7 well-attested. As cited relationships: 1 holds. Plus 2 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Inventions, 5 claims: 2 well-attested, 1 holds, 2 general references.
- Sources, 5 claims: 5 well-attested.
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