The Tennis Court Oath (David) to take the oath, Martin-Dauch, is shown in the lower right hand corner and provides a counterpoint to the general enthusiasm. David also drew all the faces in detail so that every figure was recognisable. Above are large windows with smiling figures of the public. In the 18th century, an oath had a sacred value and guaranteed a person would be faithful to their word, as in David's own "The Oath of the Horatii". During the French Revolution, collective oaths like the tennis court oath were considered as a factor in national unity and national unanimity. The tennis court oath
Gibbon's Tennis Court in 1809. The London School of Economics, which covers most of Clare Market nowadays, retains some squash and real tennis courts in its older buildings. Tudor-style real tennis courts were long, high-ceiling buildings, with galleries for spectators; their dimensions — about 75 by 30 feet — are similar to the earlier theatres, and much larger than a modern tennis court. The tennis courts were not used exclusively for tennis. In 1653, seven years before it saw lawful use as a theatre, an underground production of Killigrew's "Claricilla" was planned for Gibbon's court. The production was broken up before it debuted,