GREAT TOM TO STAND IN FOR BIG BEN—The best-known voice in broadcasting, that of Big Ben will be silent for about three months from early July while Westminster’s famous clock and the bell-hammers of Big Ben are overhauled. During the overhaul, the British Broadcasting Corporation will broadcast the clock bell of St. Paul’s Cathedral, known as Great Tom. LEFT: The clock of St. Paul's. It has three black thats with gilt figures carved out of stone. Installed in 1893, this clock is one of the largest hand-wound clocks in the world. It take a man about an hour to wind it every day. RIGHT: High up in St. Paul's bell-tower where B.B.C. engineers have made several experimental recodings with microphones in different position to find the best way of broadcasting Great Tom.

Press, Volume XCIII, Issue 28008, 30 June 1956, Page 5

GREAT TOM TO STAND IN FOR BIG BEN—The best-known voice in broadcasting, that of Big Ben will be silent for about three months from early July while Westminster’s famous clock and the bell-hammers of Big Ben are overhauled. During the overhaul, the British Broadcasting Corporation will broadcast the clock bell of St. Paul’s Cathedral, known as Great Tom. LEFT: The clock of St. Paul's. It has three black thats with gilt figures carved out of stone. Installed in 1893, this clock is one of the largest hand-wound clocks in the world. It take a man about an hour to wind it every day. RIGHT: High up in St. Paul's bell-tower where B.B.C. engineers have made several experimental recodings with microphones in different position to find the best way of broadcasting Great Tom .