Бельгия

I got these ones with VTNa .These are nice lamps, honestly they look more robust than modern ones. Datecodes (400W) 03/1996 and (250W) 09/1996.

Philips HPI / TD 10000W

Manufacturer: Philips
Lamp power: 10.000 W
Luminous flux: 1,000,000 lm
Lamp current: 23 A
Lamp voltage: 420V
Manufactured: 1972

A real rarity. This lamp was constructed for a few stadium lights. There was no real mass production.