b22

LEDs are so much better now than they used to be but I can't seem to find a bulb that can be varied between evening and daytime light. 2700K/4000K would be suitable, more variability would be a bonus. Ideally the bulb would also be dimmable or it could even combine dimming and colour change...

Just spotted the below listing on eBay and it reminded me of the stories my Grandparents have told me in the past about when they used to plug appliances like vacuum cleaners and electric irons into the ceiling lamp holder via an adapter in the 50's and 60's...