On the 10th of July 1553, about two hours after noon, a loud
discharge of ordnance burst from the turrets of Durham House,
then the residence of the Duke of Northumberland, grandmaster of
the realm, and occupying the site of the modern range of
buildings known as the Adelphi; and at the signal, which was
immediately answered from every point along the river where a
bombard or culverin could be planted-- . . .
— William Harrison Ainsworth
Books (first lines)