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Not inexpensive, but worth every penny....https://barwellbodyworks-shop.com/gb/accessories/829-lightcraft-professional-task-lamp.html?search_query=Lamp&results=2
I'm happy with the black version: 13w OttLite Slimline Task Lamp.
Thanks for the suggestion Condottiere but 13 watts isn't 'bright' enough. I need a lamp that is 18 watts.The last OttLite I had cost roughly £200 about 20 years ago so I'm looking at the upper range price wise.
I found an LED daylight bulb and put that in my anglepoise lamp (which used to have an incandescent daylight bulb). Works well. It's about 75 watts equivalent.