In the latter case the heating of the still was effected by a naked fire applied to the bottom.
In practice, however, the use of a naked fire is perfectly inadmissible, as the least neglect on the part of the operator would probably lead to the incineration of the whole.
It is first neutralised by adding some more magnesia, and evaporated over a naked fire in large kettles to a doughy consistence, short of driving off the hydrochloric acid.
When a naked fire is used, the still should be deep and narrow, by which means the bottom will be better protected by the gradually decreasing quantity of water towards the end of the process, and empyreuma prevented.
In the first method, when a naked fire is employed, a little water is put into the still along with the spirit, to prevent empyreuma.
For what can a naked Fire do to Analyze a mixt Bodie, if its component Principles be so minute, and so strictly united, that the Corpuscles of it need less heat to carry them up, than is requisite to divide them into their Principles.
The name of Pyro-tartarous acid is given to a dilute empyreumatic acid obtained from purified acidulous tartarite of potash by distillation in a naked fire.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "naked fire" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
