The Postmaster General's seasonable gift of cheap rate Christmas greeting facilities to his subscribers made the London exchanges so busy that over 1,600 girls had to work on Christmas Day - hundreds more were on duty at the provincial exchanges for the telephone service this year was busier than on any previous Christmas Day - the girls did not lose all their Christmas Day for at three o'clock they were relieved by men volunteers - photo shows girls at the International switchboard in Carter Lane on Christmas duty December 26th 1934