Fonds consists of a notebook kept by Seymour when he served as mate on the H.M.S. Imperieuse during service on a China station. The notes give details about crew, sales, accommodations and watches, 1861-1862. Also included is a journal which Seymour kept on the Orontes during cruises in the Mediterranean and to Bermuda, Halifax and the West Indies, 1878-1879.