To give them all a different brightness, there is a different strength bulb per lamp.
The brand is Philips, Dimmable, Color: warm white, Halogen Classic.
They are in stock in the corridor closet with the sliding mirror doors (if you come from the office on the right side, in the middle).
- 18W>23 watt - 204 lumen
- 42W>55 watt - 630 lumen
- 70W>92 watt -