[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_ [Illustration: _Plate I_] [Illustration: _Plate I (continued)_] [Illustration: _Plate II_] [Illustration: _Plate II (continued)_] [Illustration: _Plate III_] [Illustration: _Plate III (continued)_] [Illustration: _Plate IV_] [Illustration: _Plate IV (continued)_] [Illustration: _Plate V_] [Illustration: _Plate V (continued)_] [Illustration: _Plate VI_] [Illustration: _Plate VI (continued)_] [Illustration: _Plate VII_] [Illustration: _Plate VII (continued)_] [Illustration: _Plate VIII_] [Illustration: _Plate VIII (continued)_] [Illustration: _Plate IX_] [Illustration: _Plate IX (continued)_] [Illustration: _Plate X_] [Illustration: _Plate X (continued)_] [Illustration: _Plate XI_] [Illustration: _Plate XI (continued)_] [Illustration: _Plate XII_] [Illustration: _Plate XII (continued)_] [Illustration: _Plate XII (continued)_] [Illustration: _Plate XII (continued)_] [Illustration: _Plate XII (continued)_] [Illustration: _Plate XIII_] [Illustration: _Plate XIII (continued)_] THE END. End of Project Gutenberg's Elements of Chemistry,, by Antoine Lavoisier