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Observations on Dr. Arbuthnot ’j

The some 'may be said in Proportion of the Ounce andDenarius.

I shall not however quit my Estimate of the Ounce, &c.for either os theirs.

1. Not for Peetus s : I do not doubt of the exceeding greatCare and Exactness of Pætus\ but, for Reasons given before,I cannot think Water-weight any thing near so exact as solid-Weight. But there is another Objection against his Esti-mate ; for it is very doubtful whether the Amphora from theFoot be exact. It certainly comes near the Amphora foundby Weight, but cannot be proved to be the fame. FideBishop Hooper in Arbuthnot , p. 81. It seems to be some-thing less, and so brings down the Weight of theOunce, &c.

2. As to Savotus , he is an Adversary worse to manage,for his exquisite Nicety about Coins is well known ; and hefetched out his Pound, &c. by weighing Gold and SilverCoins; so that it is strange that his Denarius should differso much from Mr. Greaves' s of 62 Grains Troy. All that Ican fay to it is, that either the Coins he met with were notso perfect as Mr. Greaves' s, or else, that having weighed se-veral, he chose to set them at some middle Rate, rather thanat the highest or the lowest.

I shall just take notice, that the As Libralis , even when fair,does not weigh above 9 Ounces 7 roy, which is a probableArgument, at least, that my Pound is not set too low at10 §, 17 pvo.

Several of these Particulars may be seen in Mr. TFat'd 'sDissertation de AJse, in Monument. Kempian. from p. 46, top. 62. And yet after all, this Author chuses to stick to Mr.Greaves s Computation; and that for a very odd Reason, viz.that it is used by our Authors, particularly Dr. Arbuthnot ; asif it was. not better to correct our Authors, and, particularly,

Dr.