Sentence:  In 1431 New College purchases brewing vessels, under the names of a mash <WSD>fat</WSD>, for 6s. 10d., a wort <WSD>fat</WSD> for 2s., a 'Gilleding' tub for 2s. 6d., and two tunning barrels at 8d. each, a leaden boiler for 24s., another for 12s., and a great copper beer pot for 13s. 4d. 
Meaning of the word marked with <WSD> tags:  A large tub or vessel for water, wine, or other liquids; a cistern.