Scientific Instument, Media Hochleistung, Electron Valve, 11/11/1926

Physical description

A glass cylindar with a spherical enlargement in the middle part, with metal end attachments. ONe end connections for emitter filament heating current. Other end - attachmentes for electron target, with some provisin for air/gas flow. Paper label on one end, tabular voltages, currents, etc.

Inscriptions & markings

Serial Number 243738

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