Henry Cavendish

water consists of dephlogisticated air united to phlogiston

By fixed air, I mean that particular species of factitious air, which is separated from alcaline substances by solution in s or by calcination and to which Dr. Black has given that name in his treatise on quicklime.

By factitious air, I mean in general any kind of air which is contained any in other bodies in an unelastic state, and is produced from thence by art.

Young people must break machines to learn how to use them; get another made!