Ever had that sinking feeling in the afternoon? Well, that’s exactly how Anna Russell, the Duchess of Bedford, felt during her 17th-century afternoons. At the time, it was normal to have two meals a day and dinner wasn’t served until 8 o’clock. The duchess was becoming, understandably, rather peckish.  After trying it out privately in her boudoir, she began inviting friends over to enjoy tea and ‘a light refreshment’. Suffice to say, the rest is history. Fast-forward to present day and we’re honouring this national institution with the annual Afternoon Tea Week. So, what better way to celebrate than by raising your china cup, spreading a scone and getting involved.…