"For they must have been seen together, he observed, once at Tattersal's, and twice in the lobby of the House of Commons."


Tattersalls, founded by Richard Tattersall in the mid-19th century, was a horse auctioneers at Hyde Park Corner in 1814.  Patronized by the upper classes, it was a place for sportsmen to converge, converse, and engage in some gambling.

The establishment has long since relocated, but it is still very much in existence.