Elements of Chemistry, by Antoine Lavoisier

Table of the Weights of the different Gasses, at 28 French inches, or 29.84 English inches barometrical pressure, and at 10° (54.5°) of temperature, expressed in English measure and English Troy weight.

Names of the Gasses.	Weight of a cubical inch.	Weight of a cubical foot.
(A)	qrs.	oz.	dr.	qrs.
Atmospheric air	.32112	1	1	15
Azotic gas	.30064	1	0	39.5
Oxygen gas	.34211	1	1	51
Hydrogen gas	.02394	0	0	41.26
Carbonic acid gas	.44108	1	4	41
(B)
Nitrous gas	.37000	1	2	39
Ammoniacal gas	.18515	0	5	19.73
Sulphurous acid gas	.71580	2	4	38

[Note A: These five were ascertained by Mr Lavoisier himself.—E.]

[Note B: The last three are inserted by Mr Lavoisier upon the authority of Mr Kirwan.—E.]