Lights made of power-supply’s made (from start) in 1927 for the first commercially produced Philips radio (on battery’s / Philips radio type 2501).
(Copyright picture, Philips Museum – Eindhoven)
Two round buttons;
Left one (Det), switching between off / the two small neon lichts or the new high quality Philips Ledlamp.
Right one (Volt), Ledlamp off and dimmable
Five lamps made (one sold) four available.
Original plate explaning the original use in Dutch, also one French version avalable.
One version made with (E22) lampsocket, lamp can be replaced by another type (this one included with the Led and “original” Edison type).
The other type’s have integrated (glued) ledlamps in the top plate
Size; Housing: 20 x 12cm. Total hight: 26cm. (socket version: 33cm.)
Price: €.: 675,- per light.