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Bill Bryson - In France, a chemist named Pilatre de...
In France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face. (Bill Bryson)

In France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face.

Bill Bryson

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across blowing chemist combustible face feature flame flammability gulping hydrogen mouthful open permanent proving stroke france

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