FOOTNOTES:
[62] For the materials of this Article the Translator is indebted to Professor Robertson.
[63] It is said, Belidor Archit. Hydrog. to contain 31 oz. 64 grs. of water, which makes it 58.075 English inches; but, as there is considerable uncertainty in the determinations of the weight of the French cubical measure of water, owing to the uncertainty of the standards made use of, it is better to abide by Mr Everard's measure, which was with the Exchequer standards, and by the proportions of the English and French foot, as established by the French Academy and Royal Society.
[64] The whole of this and the following article was communicated to the Translator by Professor Robinson.—E.
THE PLATES
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