Miscellaneous lecture notes and materials about airships:

- Notice of general meeting of the Barrow and District Association of Engineers on 9 November 1928 at which Barnes Wallis gave a lecture on airships

- Nine pages of notes about airships for a lecture at the Institution of Civil Engineers

- Lists of slides

- Diagram comparing the evolution of British and German airship shapes between 1900-1919

- Postcard commemorating the history of the first British Airmail flight from Hendon, arriving at Teller Alaska on 14 May 1926. Addressed to Mr Frederick G Foley

- Postcard to mark the crash of the 'Italia' airship polar expedition and those who died attempting to rescue them, May-July 1928