Corpus of Electronic Texts Edition
The Wooing of Emer by Cú Chulainn (Author: [unknown])

paragraph 4

Now, once the men of Ulster were in Emain Macha with Conchobor drinking the iern-gual (iron-coal).5 A hundred fillings of beverage went into it every evening. This was the drinking of the 'coal' that would satisfy all the men of Ulster at one time. The chariot-chiefs of Ulster were performing on ropes stretched across from door to door in the house at Emain. Fifteen feet and nine score was the size of that house. The chariot-chiefs were performing three feats—viz., the spear-feat, and the apple-feat, and the sword-edge feat.