14th March 1949:  A man guides a 10-ton stainless steel fermenting tun, constructed in Leven, Glasgow, as it is hoisted by a crane at Glasgow docks onto the ship &#x27;Lairdsglen&#x27; en route to the Guinness Brewery in Dublin. The tun can hold 150,000 pints of Guinness.  (Photo by Reg Speller/Fox Photos/Getty Images)