 a set of double-reflecting prisms) which redirected light from the landward side of the lamp back out to sea.The new lighthouse was still under construction in late November 1866 when Henry Norris was sued by a painter in court in Whitehaven who had not been paid for lettering a notice board at the lighthouse; but it was operational by the end of the year.By the 1890s it was displaying a group-occulting light, on the following pattern