Blacknell, John (1760)
Blacknell, John, Snowsfields, St Saviour's, Southwark, London, upholder (1760). Took out a Hand in Hand Insurance policy in June 1760 for £200. [GL, Hand in Hand MS vol. 94, p. 49]
The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.