Philips 2531 radio receiver, 1930 year. Holland. | Philips 2531 radio receiver, 1930 year. Holland. Bakelite case, four radio tubes with a "cross" type French caps (models of 1918). | By Museum of Antique & Vintage Radio | Facebook
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Philips 2531/ Philips Sevenette 2019 - radioricevitore - industria, manifattura, artigianato, Philips – Patrimonio scientifico e tecnologico – Lombardia Beni Culturali
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