File:EF860, WF 1964.jpg

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Deutsch: Pentode EF860, Gütezeichen "Q" auf der rechten Röhre

Originalbeschreibung: EF 860 "WF" und Gütezeichen. Besteller: Walkhoff, Abteilung: TT2. Walkhoff ist von 1962 bis 1970 als Fotobesteller nachweisbar und 1963 zuständig für Dioden und Spezialempfängerröhren, in den späteren Abteilungsverzeichnissen ist er als Verantwortlicher für die technologische Planung und Fertigungsvorbereitung für Dioden genannt. Negativ retuschiert.

Foto, Juni 1964
Date
Source https://www.europeana.eu/item/666/item_FYNLSKG7WR6W7D3DW4IMUKYLTEHMDL7D
Author Werk für Fernsehelektronik

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