A transcription of Joseph Aspdin's British Patent No. 5022 (granted 21 October 1824), "An Improvement in the Mode of Producing an Artificial Stone," the patent in which the term Portland cement was coined.
Facts
Publishercementkilns.co.uk
URLhttps://www.cementkilns.co.uk/cemkilndoc008.html
Source TypeReference Work
Reliability Tier1
Sources
Joseph Aspdin Patent No. 5022, 1824 (cementkilns.co.uk)
Claims Backed By This Source (12 claims)
This source backs 12 claims across the atlas. As facts: 8 well-attested. As cited relationships: 2 holds. Plus 2 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Materials, 7 claims: 3 well-attested, 2 holds, 2 general references.
- Sources, 5 claims: 5 well-attested.
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