Orders from the Admiralty in this collection are wide ranging covering the period 1810-52. Including memorandum, commissions, provisions, transport orders for the ARMIDE during the Anglo- American War, 1812-14 and orders for the STAG, 1831-34. Official correspondence, 1810-52, includes Sir A. F.I. Cochrane, Napier, Elphinstone and papers concerning Sir Edward Thomas's father's Neapolitan pension. Also included is letters re: the action fought by the GREYHOUND in company with the HARRIER in 1806 against the Dutch Company's brig's QUEEN ELIZABETH and BELGICA. Personal correspondence includes letters to his wife Anna Maria, his sons Edward Norwich and Thomas St. Vincent Hope Cochrane and his daughters Charlotte and Louisa. There are also letters from the Cochrane family.

Administrative / biographical background
He entered the navy in January 1797, on board the CAMBRIDGE, then joined the ACHILLE, with Captain Murray, whom he followed to the EDGAR, being present at the Battle of Copenhagen. In 1803 he joined Nelson's flagship VICTORY in the Mediterranean. On 22 February 1806 he was promoted Lieutenant of the BLENHEIM sailing to the East Indies as the flagship of his father. He was appointed commander of the HARRIER and captured the frigate PALLAS and two Indiamen under her convoy. Proceeding this he was made captain of the GREYHOUND, 5 September 1806. He is commanded to search for his father, Sir Thomas, lost at the Cape of Good Hope in the BLENHEIM. It was concluded that his father had foundered in a hurricane of the Cape. In February 1813 Troubridge was commissioned to the frigate ARMIDE to serve on the North American station under his father in law, commanding the naval brigade at the battle of New Orleans. He was appointed commander-in-chief at Cork, 1831-2 on board the STAG and was one of the Lords of the Admiralty, 1835-41 under Lord Minto. He was nominated a CB on 20 July 1831 and promoted rear-admiral on 23 November 1841.