Observations on reversionary payments, on schemes for providing annuities for widows and for persons in old age, on the method of calculating the values of assurances on lives and on the national debt : to which are added four essays on different subjects in the doctrine of life-annuities and political arithmetick, also an appendix containing a complete set of tables, particularly four new tables shewing the probabilities of life in London, Norwich and Northampton, and the values of joint lives / by Richard Price .
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