"Grossbooted draymen rolled barrels dullthudding out of Prince's stores and bumped them up on the brewery float. On the brewery float bumped dullthudding barrels rolled by grossbooted draymen out of Prince's stores." (U7.21)
Guinness was sold and delivered to retailers in barrels. Retailers bottled the beer, and affixed to the bottles their own labels. Here the label for Extra Stout from John Mulligan's pub on Poolberg St, Dublin.