Browse Items (5 total)

A christmas card showing a flight of nine biplanes flying over a river. It is annotated 'To Mother and Betty Bill'.

Writes thanking them for letter which announced air raid warnings and commenting on how they might affect his parents even though no aircraft appeared. Catches up with news of people. Writes that he is sending photographs and asks if they would like…

Writes that he is fed up of having to work seven days a week and no time off for 8 weeks. Mentions having vaccinations and his current activities. Says he has found a reasonable place for meals in the evening but that they had had instructions not to…

Thanks him for letter and says he is on the right lines.

Recounts a lecture using models of targets which when viewed from 6 yards represent various sizes at various distances. Problem is to know accurately what height you are.