I have procured air [oxygen]...between five and six times as good as the best common air that I have ever met with.


Experiments and Observations on Different Kinds of Air (1775), Vol. 2

Joseph Priestley Quotes

I have procured air [oxygen]...between five and six times as good as the best common air that I have ever met with.

I have procured air [oxygen]...between five and six times as good as the best common air that I have ever met with.

I have procured air [oxygen]...between five and six times as good as the best common air that I have ever met with.

I have procured air [oxygen]...between five and six times as good as the best common air that I have ever met with.