Nurse Miller is sent a long-playing (33rpm) record as a token of appreciation. When she and Nurse Lee are seen listening to the record in the next scene, they are seen listening to a 78rpm record, which can be seen by the speed it is turning and the thickness of the grooves.
The London Hospital didn't become "Royal" until 1990.
When baby Gillian is born, loud cries are heard and remarked upon, but it is apparent from her eyes she is not crying.