inexpressibles = trousers or more likely at that time breeches. (Whether anyone actually used this term or whether it is read back from high Victorian prudery I'm not sure. And anyway somebody, I forget who (Dickens maybe) records avoidance of the word trousers as an American preference unknown in Britain).

nuncheon - what we would now call elevenses. Timing of meals was in a state of flux at this time with dinner moving later for the fashionable classes and luncheon and/or nuncheon being eaten at midday instead.

Bingley

Bingley