Pair of c. 1900 defence electric lights in concrete housings about 25 m apart, on the riverbank some 75 m. NW of Shornemead Fort. The lights were sited to provide illumination for the boom defence battery some 200 m. east of the fort. They might have continued to assist the Second World War emergency battery east of the fort as they are shown in an aerial photograph of 1946. Subsequently demolished, they could have been a casualty of improvement works to the river flood defence bank in c.1949.