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New Instrument for the Production of Ozone

    Naturevolume 6page474 (1872) | Download Citation

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    Abstract

    IN the American Journal of Science and Arts for July 1872, Prof. A. W. Wright, of Yale College, describes a simple apparatus for the production of ozone with electricity of high tension, and intended for use with the Holtz electrical machine. “The apparatus consists of a straight glass tube about 20 centimetres long and having an internal diameter of 2.5 centimetres, the two ends being stopped with corks covered on the inner side with a thin coating of cement to protect them from the action of the ozone. Through the axis of each cork is inserted a glass tube of about 5 millimetres calibre, and 7 centimetres in length, having a branch tube inserted perpendicularly at the middle, and long enough to permit a rubber tube to be slipped upon it. The outer ends of the tubes themselves are closely stopped with corks, through which are passed straight thick copper wires carrying suitable terminals at their inner ends, and bent into a ring at the others. They are fitted so as to make tight joints, but to allow of motion in order to vary the distance between their inner ends. One of these wires carries a small ball, the other terminates in a disc with rounded edge, set perpendicularly to the axis of the tube, and so large as to leave an annular space of some two or three millimetres breadth around it. The gas is admitted through one of the branch tubes, and escapes from the other after having passed through the whole length of the tube.

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    https://doi.org/10.1038/006474b0

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