The good old incandescent bulb. Here we have orange bulbs that give a nice amber glow. Incandescent bulbs have no blue light, very little flicker, no additional high frequencies and no dirty electricity. These things are becoming more rare, so get them in while you can.

Low 25 watt

Standard E27 screw fitting. (note photo shows bayonet fitting)

230 volt

Orange Incandescent Bulbs