Ham’s Home guard practising on Ham Common and Richmond Park – Cannell Benmore 23 Play Cannell Benmore Ham's Home guard practising on Ham Common and Richmond Park - Cannell Benmore 23 1939-1945 Wartime Audio Memory Cannell Benmore Civil Defence Ham at War Richmond Park Audio Memory 2:33 "Ham's Home guard practising on Ham Common and Richmond Park - Cannell Benmore 23".