Figure 11 from "Apparatus For Separating Charged Particles Of Different Specific Charges" Patent number: 2939952; Filing date: Dec 21, 1954; Issue date: Jun 1960; Inventor: Paul et al.
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{{Information |Description=Figure 11 from "Apparatus For Separating Charged Particles Of Different Specific Charges" Patent number: 2939952; Filing date: Dec 21, 1954; Issue date: Jun 1960; Inventor: Paul et al. |Source=United States Patent and Trademark