Part 49

Footnote 65:

Some late experiments made at Hudſon’s Bay ſeem to prove that Quickſilver congeals and becomes malleable at 39 degrees below 0. See Lond. Med. Journal, page 205, for the year 1783. W.

Footnote 66:

When I introduce a new ſpecies I repeat the preceding number, with the addition of an aſteriſk, rather than break in upon the order of the author’s numbers. I intend ſhortly to publiſh an exact analyſis of this ſubſtance. W.

Footnote 67:

Opuſc. chem. vol. II, page 426.

Footnote 68:

Opuſc. vol. II. page 431.

Footnote 69:

Opuſc. chem. vol. II. p. 429.

Footnote 70:

Diſſ. de Analyſi. ferri.

Footnote 71:

Called Sideritis, from its reſemblance to iron. W.

Footnote 72:

Opuſc. chem. vol. II. p. 231.

Footnote 73:

Diſſ. de quantitate phlogiſti in metallis.

Footnote 74:

Opuſc. chem. vol. II, p. 272.

Footnote 75:

Opuſc. chem. vol. II, p. 446.

Footnote 76:

Opuſc. Vol. II, page 309.

Footnote 77:

Some of the ſulphur and alum, ſublimed by the ſubterranean fires near Bilſton, contain ſiliceous earth. W.

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