2531 Radio Philips; Eindhoven tubes international!; Miniwatt, build | Radiomuseum
2531 Radio Philips Radios - Deutschland, build 1930– | Radiomuseum
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
Philips - 2531 - Tube radio - Catawiki
Philips 2531 Legacy Radio - On Demand PDF Download | Dutch
Philips 2531 Radio | Reverb
2531 Radio Philips Radios - Deutschland, build 1930– | Radiomuseum
Philips 2531, any data? - UK Vintage Radio Repair and Restoration Discussion Forum