 Rennison travelled to London in 1931 for a " sight @-@ seeing visit " , and he brought the anvil with him to protect it from theft . The anvil never left his side , despite weighing 240 pounds ( 110 kg ) . The Leader @-@ Post suggested that , since the cost of a new anvil was much less than the cost of transporting the old one , this was more likely to be a publicity stunt . 
