General Electric UX-867 Photo-Electric Cell
Cellule photoélectrique
Fotozelle

Early phototube used for sound applications (RCA Photophone equipment).

The inner surface of the bulb is coated with metallic silver except for a small window on one side. This silver coating is in turn coated with a thin layer of cesium (the active material). The purpose of the silver coating is to make a good electrical connection to the coating of cesium. An external connection to the silver coating is made by means of a short lead from the inner surface of the glass to a metal tip at the outside of the glass.

Fiche technique • Data sheet • Datenblatt: UX-867.pdf

 

Hauteur • Height • Höhe : 15,6 cm • 6" 1/8
Diamètre • Diameter • Durchmesser : 61 mm • 2" 3/8

 

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