File:1965 c1960s vacuum tube, 7025A-12AX7A, QC, Philips, Great Britain.jpg - Wikipedia
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File:Philips Miniwatt C1, CY1 and CF1 Vacuum Tubes (11252067176).png - Wikimedia Commons
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EF183 6EH7 ELECTRON VACUUM TUBE VALVE PHILIPS
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Philips USA 6J5MG Solid State Metal Vacuum Tube 74% - VIVA TUBES
1 TUBE E424 N PHILIPS-TESTED STRONG | eBay
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2 pcs. (Gm matched) PHILIPS MINIWATT EL90 6AQ5 NOS VACUUM TUBES - SMOOTH PLATE | eBay
Valve vacuum tube PHILIPS QQE06/40 V12 | eBay
Video: How the Philips factory made vacuum tubes | The SWLing Post
6ML8 Philips ECG Audio Vacuum Tube Valve - Bangybang
Psvane Pair EL34PH | vivatubes.com
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007 PHILIPS MINIWATT EBC81 VACUUM TUBE made in USA | DIY Hifi Supply
VACUUM TUBE JAN-5763 PHILIPS ECG MINIATURE VHF BEAM | The DHTS Store
12AT7 WC Jan Philips Preamp Vacuum Tube
70s pair 8417 Vacuum Tubes GE/Philips ECG | eBay
6BY7 EF85 Philips vacuum tube - professionally tested | eBay
6U8A Philips JAN Vacuum Tube
