The collection is composed of:
- MS memorandum (pp.11) titled Field conveyance for the sick and wounded signed J. S. Login, and dated 30 June 1857, Castle Menzies, Perthshire. The document outlines Login's idea and the approaches made to the War Office and the subsequent bureaucratic referrals. The War Office subsequently undertook the manufacture of a 'blessiere' to the design for testing purposes. Login refers to the parade where the first Victoria Crosses were awarded and notes the sufferings of the wounded soldiers who were badly jolted in their hospital litters in the march-past.
- Letter from the War Department, to 'Sir John Logan / Roehampton', dated 9 April 1855, informing him that Lord Panmure has indicated 'that two Blessieres have been constructed' according to his design 'and that they are now ready for inspection'.
- Letter from the Royal Carriage Department, Woolwich, to 'Sir John Logan / Roehampton', dated 28 April 1855, informing him of 'the formation of a Committee of Officers for the consideration of Hospital Conveyances' and that a meeting will take place on 2 may [1855].
- Memorandum on the nature of litters for the use of the army in the Crimea and the different ways they could be used in the field - e.g. on wagons, on gun limbers - and their possible adaption for shipboard use.
- Letter (copy) from Login, to the military Carriage Office, dated 9 May 1855, Roehampton, and concerning the prototype litters.
- Bill from Messers. Lenny and Co., Coach Builders and Harness Makers, dated 2 May 1855 onwards, for the construction of the litters at a totasl cost of £25 / 12 shillings.