sk is touched at two for the glass disks. The smaller shade is supported they become charged in turn by coming in contact places by brushes connected by wires to the poles of the influence machine, while at right angles to the with the brushes, which are so situated that they come in contact with… … piece of hard rubber may be seen at the Fig. 5. tubing. The right hand side spindle to of the cylinder, which the up- at the rear, per disk is at- and at the left tached is also hand side of of hard rub- the front end. ber. The me- The position of tallic conduct- the Geissler ors, supported tube is…
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