[Richard Price], ‘Observations on the proper method of keeping the Accounts [at] the Society for Equitable Assurances…’, 1774.

A bound collation of recorded exchanges on mathematical problems and Richard Price’s proposed solutions to assist John Edwards (1729 or 1730-1773) , ‘actuary’ serving from 1767 to 1773. Price then recommended William Morgan to the appointment of Assistant Actuary in 1774. Morgan becoming principal Actuary from 1775. Morgan would benefit from Price’s considerable mathematical advice in his early years in office, but would soon make the job his own.