Two files, both titled 'Landing and mooring gear for airships':

- One file, dated 19 June 1919, which consists of three pages detailing the Vickers patent mooring gear for rigid airships, with accompanying drawing showing the aerodrome and mooring tower for rigid airships, and three pages detailing the landing and mooring gear for non-rigid airships, with accompanying drawing of the mooring mast for non-rigid airships. Housed in the original file, which has a Vickers wax seal

- One file, dated 1 January 1920, which consists of five pages detailing the Vickers patent mooring gear for rigid airships, with two photographs of the R24 moored and an accompanying drawing showing the aerodrome and mooring tower for rigid airships, and four pages detailing the landing and mooring gear for non-rigid airships, with two photographs and an accompanying drawing of the mooring mast for non-rigid airships. Housed in the original file