For Sale is an Engraving removed from "The Illustrated London News, April 1st, 1848," showing a "New Telegraphic Light-House."
Mr. J. Wells, of the Admiralty Department, Somerset House, is the inventor of this new Light-House; in which he proposes to supersede the present defective system by a series of scientific improvements, under the superintendence of Mr. R. Rettie, C.E. Size of Engraving- 10cm. x 7cm.