British Achievement IN RADAR Speaks for BRITAIN Radar. First made operationally effective in Britain and developed into a war-winning defence weapon by British electronic engineers. Corporate membership—I0 gns. Personal membership—2 gns. Write for details to:—THE OPERATION BRITAIN ORGANISATION LTD. 165 FLEET STREET, LONDON, E.C.4 (FLEET STREET SOIl) This Is an "Operation Britain" Organisation announcement