Box containing twelve folders/books of letters and documents:

- one folder containing inclining experiment details for HMS 'Dahlia'.
- one folder containing details about redesigned aircraft carrier HMS 'Furious'.
- one folder containing data for shell experiments, gun blast experiments, condensor pipe experiments re HMS 'Gorgan' and HMS 'Superb'.
- one folder containing details regarding HMS 'Hood' sea trial analysis 1920.
- one folder containing details regarding a German floating dock delivery protocols, 1920.
- one folder containing part of a letter regarding stability details for the Sovereign class.
- one folder containing a summary of calculations, 1922 for HMS 'Emerald' and HMS 'Enterprise'.
- one folder containing details about Asdic gear fitting; weights for 'Vahalla'.
- one folder containing details about the arrangement of stern leeboards and propulsion calculations for motor landing craft.
- one folder containing particulars of British and foreign war vessels and aircraft.
- one folder containing details of ships boats, 1920s.
- one folder containing minutes about the carriage of the Arrol platform.