You know those chairs that have one arm, on the right side, with a sort of table-top attached to rest your notepad on when you're taking notes in a lecture or whatever? Is there a special word for them? And what about the place to lean your notepad on, what's that called?

Bingley

It looks like I've found the original idea:
http://www.duckloe.com/windsors/18a.htm

The term of choice seems to be a chair with a writing tablet - sounds very old testament.
If this is what you are looking for:
http://mggd.com/z700.htm
http://www.amadeus-equipment.co.uk/budget_rehearsal_chairs.htm

Thanks, jmh. I thought somebody here was bound to know.

Bingley