Tried some more of these today. Found I don't have an absolutely plain tumbler
hence the ridges but I'm including this as part of a pattern!
Can't get water clear - the washing up liquid seems to leave traces.
Yesterday's upload of the Reading Lamp and The Books was interesting.
I learned quite a bit from your comments and very helpful advice from Trev.
So January's mission is to go to some Art Galleries and study lighting in The Old Masters.
A few of you thought the light too harsh so I'll need to learn more in that respect.