An Optical Bench for Electron Optical Studies

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Abstract
An evacuated chamber containing a heavy lathe bed for supporting and aligning optical parts, and means for moving the essential internal components from the exterior, is described. The construction is explained in detail. Stabilized high voltage to thirty kilovolts and stabilized low voltage supplies for energizing electromagnetic lens coils are provided. The equipment may be used to illustrate the operation of such electronic equipment as cathode‐ray tubes, electron microscope and diffraction apparatus, or to study the properties of phosphors and optical components such as lenses, guns, and deflection electrodes.

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