Here, the society's history project manager, Janice Cave, describes the posters found and talks about what they tell us about changing attitudes to safety, and about wider social change in Britain.
That means, among other things, changing attitudes to educational qualifications.
Big progress has been made, but changing attitudes to education is a process, not an event.
More significant, perhaps, are changing attitudes to the monarchy's place in British life.
Drew says it's partly about changing attitudes to so-called problem families.
I'm certain that this growing fixing movement is related to the changing attitudes to buying secondhand.
The statement comes at a time of changing attitudes to refugees in Europe.
James Vernon has traced changing attitudes to food and lack of it in Hunger: A Modern History.
Add this to changing attitudes to jobs, socialising and schooling and the result is a potent mix.
He examines changing attitudes to immigration, the rise of big-box stores and the hollowing out of Britain's industrial centres.
By reporting on changing attitudes to taste and decency it enables a legitimate public debate to take place across the whole spectrum of broadcasting.
