Smeaton's Tower administrator Sir John Barrow. Smeaton's Tower has been a Grade I-listed building since 1954. It is open for visitors, who may climb 93 steps, including steep ladders, to the lantern room, and observe Plymouth Sound and the city. Smeaton's Tower Smeaton's Tower is a memorial to celebrated civil engineer John Smeaton, designer of the third and most notable Eddystone Lighthouse. A major step forward in lighthouse design, Smeaton's structure was in use from 1759 to 1877, until erosion of the ledge it was built upon forced new construction. The tower was largely dismantled and rebuilt on Plymouth Hoe in Plymouth,
Mark Smeaton and her brother, George Boleyn, Viscount Rochford. All but Smeaton maintained their innocence, but none of them was tortured as Smeaton was. Out of all those arrested for adultery, Smeaton's arrest caused the greatest scandal, because those who knew of the charges were shocked that the Queen would have an affair with a person of such low degree. A slightly different version of the events surrounding Smeaton's guilty plea is told by the nineteenth century English historical writer and poet, Agnes Strickland. Strickland maintained that Smeaton was lured into signing the incriminating deposition by the subtlety of Sir William Fitzwilliam,