A Naval Biographical Dictionary/Thomas, Frederick William Leopold
THOMAS. (Lieutenant, 1841.)
Frederick William Leopold Thomas entered the Navy 3 Jan. 1827; passed his examination 6 May, 1835; and at the period of his promotion to the rank of Lieutenant, which took place 28 Aug. 1841, was serving among the Orkney Islands as Mate on board the Mastiff surveying-vessel, Master- Commander Geo. Thomas. He obtained command, 9 April, 1845, of the Woodlark, tender to the Mastiff; and since 29 Oct. 1848 has been borne, still for surveying-service, on the books of the Fisgard 42, bearing the broad pendant of Commodore Henry Eden at Woolwich.