in place by a plate, C, which enters a | After being submitted to groove in the shaft, and is held in place by set screws. the electric discharge for fifteen minutes at this tempera- The cylindrical body of the churn is held together by ture, the oxygen was conducted into the capillary tube of a… … element, each with distinctly marked chemical and physi- MURCH’S CHURN. cal properties. We know that the molecule of oxygen has a simpler structure than that of ozone; the substance of This churn is easily taken care of, and is said to be thor- simpler molecular structure is capable of existing…
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