The collection is comprised of artefacts, plans and drawings of the Clashawaun Works (jute spinning mill) and its machinery. The business records include; material relating to the formation of the limited company in 1888; correspondence with directors and partners; notices of meetings and resolutions adopted; some handwritten minutes and material relating to the formation of the limited company to a public company in 1937.

Report for year ending June 1919 outlining a remittance of £10,250 to Lord Digby, the increased amount being ascribed to revenue derived from the woods, particularly mature Scotch pine from Clonad Wood to a firm of match-makers. Remarks that although Ireland ‘remains in a disturbed an unsatisfactory condition this immediate neighbourhood has been very free from agitation and outrage and from a continuance of high prices for all agricultural produce and abundant crops, the Irish farmer is enjoying an era of unprecedented prosperity.’

Annual report, account and rental for year ending June 1918. Describes a buoyant timber industry for the year with profit made from timber sales on the thinning of woods planted 45 years previously. Describes the country as 'almost entirely free of agitation and disturbance' but notes that 'the attitude of the people as regards the War, where not openly hostile and pro-German is quite apathetic, and this attitude appears to be deliberately encouraged, with scarcely an exception by members of the Nationalist Party and by the Roman Catholic priesthood.'

1912-14 Letters and papers of the 5th Earl concerning his shares in the San Sebastian Development Syndicate and the International Nitrogen and Power Company Ltd; part of the operations of the latter involved a process for cutting peat, and there are a
number of letters to the 5th Earl and [Sir Charles Parsons?] on this subject.