Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 125
pressure of the outside atmosphere, which at the time ofthe experiment would support a column of mercury about 29inches high. He then poured mercury into the open armuntil the air in the closed arm was compressed intoone-half its volume. We observed, he says, not withoutdelight and satisfaction,… … Fig. 144.—Boolesapparatus. ROBKRT BOTIK (1C27-1691). PublUlied liisLaw in 1662. One of the earliest of En^lishscientists basing their investigations uponexperiment. RELATION BETWEEN VOLUME AND PRESSURE OF AIR 115 clear to him, therefore, that the pressure sustained by theinclosed air was doubled…
Physics
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