Jean Rey citáty | Citáty slávnych osobností

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“[N]othing gains weight but by the addition of matter, nor loses it but by its subtraction—so inseparably are matter and weight united, as has been shewn above in the sixth essay.”

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John Rey

Art. XI. A Translation of Rey's Essays on the Calcination of Metals, &c. (1822), Essay XV. Air dimishes in weight in three ways. The balance is deceitful, the means of remedying that.

“Hammer a piece of cold iron for a considerable time; you will unite its parts and diminish its bulk, and then it will appear heavier when put into the balance.”

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John Rey

Art. XI. A Translation of Rey's Essays on the Calcination of Metals, &c. (1822), Essay XV. Air dimishes in weight in three ways. The balance is deceitful, the means of remedying that.