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Need to buy a hookah link Source global Wall Street Journal     time 2021-09-24 16:54:45
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J. Priestley.”

Besides, the experiments promised to ascertain whether the intensity of sound was affected by any other property of the air in which it was made than the mere density of it. For 212 the different kinds of air in which I was able to make the same sound, besides differing in specific gravity, have likewise other remarkable chemical differences, the influence of which with respect to sound would, at the same time, be submitted to examination.

In 1800 he put together his last scientific work, and the one which he regarded as the crown of all his efforts, viz., his Doctrine of Phlogiston Established. It can never be said of Priestley that he was to one thing constant never: versatile as he was, and with an extraordinary capacity for adaptation and change in matters of philosophy and theological doctrine, he was ever constant to phlogiston.


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