PREFACE.

Believe it will be readily own'd thatthe Knowledge of the Value of theMoney r Weights and Measures ofthe AncientSy is necessary to the un-derstanding of their Writings, TheValue of Coins $ Weights and Mea-sures is known 5 when the Proportion > which theybear to other known quantities of the fame kind isdetermined) which are commonly those of the Rea-der's own Country, In order to assist English Rea-ders Jn this particular 3 I publish'd about twentyTears ago some Tables ? which being out of Print*it was suggested to me that if I would give the Co-py ) with some other Calculations relatingto the fameSubjell) to my Son 5 he might make some Profit ofthem. This interested Motive I frankly own had'itsShare in producing the present Treatise,

The first Tables were publish'd before the learnedDr, Hooper? Bishop of Bath and Wells, his En-

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