(Q6254901)
Statements
26 May 1806Gregorian
1 reference
John Ridley (inventor)
9 October 2017
25 November 1887Gregorian
1 reference
John Ridley (inventor)
9 October 2017
Identifiers
1 reference
Sitelinks
Wikipedia(1 entry)
- enwiki John Ridley (inventor)