English Electric EE43R Fridge and Freezer Spares and Parts

There's not a lot you can say about a light bulb, really. When you switch it on, it either lights up or it doesn't. Unless, of course, it's an entry for the Turner Prize, and then all the weirdies and beardies in the world will emerge from the woodwork and rave about its heavenly form and transcendental inner nature.
This one does exactly what it says on the packet, and lights up when you apply 240 volts to its bottom. I think I would too. It's a good 'un.