Keywords: St Vincents Main Entrance and Turning Circle.jpg en St Vincents Hall Grantham Gothic Revival mansion build by local industrialist Richard Hornsby HQ of 5 Group Bomber Command during the second world war and operational command center for the Dambusters raid by 617 sqn in 1943 1261503 own Ericfrances 2010-05-01 52 905272 -0 626478 type landmark_region GB_heading NE Houses in Grantham Grade II listed buildings in Grantham Richard Hornsby Mansions in England May 2010 in Lincolnshire 20100501 Grantham Photographs taken on 2010-05-01 Grantham Gothic revival houses in England History of Lincolnshire Houses built in 1868 History of the Royal Air Force |