Oxygen inhalation & observations quoted
Vol. 2.
Page 162:
Gratified curiosity by breathing it.
Drawing it through glass syphon.
Reduced large jar full of it.
Feeling to my lungs not sensibly different.
Fancied my breast felt peculiarly light & easy.
This pure air may become fashionable article in luxury.
2 mice & myself had privilege of breathing it.
Vol. 2
Pages 168-169:
Pure dephlogisticated air
Greater strength & vivacity candle flame.
Might be salutary to lungs in certain morbid cases.
Carry off putrid effluvium.
Might be very useful as a medicine.
Might not be so proper in usual healthy state of body.
Candle burns out much faster in dephogisticated air.
So we might live out too fast.
Moralist may say that air provided by nature is as good as we deserve.