Pen and ink drawing on tracing paper with ruled border. Inscribed beneath lower border: "All these ships were built at the old Thames Iron Works, Canning Town, London S.E./ The last ever to be built on the/ Thames the HMS 'Thunderer' is not/ amongst the above - My painting of her is in H.M. Naval College, Greenwich"
Probably a design for a book illustration or large panoramic lithograph.