10/15 The east and west sides will be patrolled. On the south there is a little terrace, but the approach to it is absolutely impossible. The pane of glass is cut out and my entrance to the house is arranged for. Frenhofer will tamper with the electric lights in the kitchen premises and I shall arrive in response to his telephonic message, in the clothes of a working-man and with a bag of tools. Then he smuggles me on to the spiral stairway which leads out on to the roof where the flag-staff is. |