Dahlgren, John Adolphus Bernard, 1809-1870

Autographed letter to Commodore Lewis Warrington with regard to a requisition for a second gun quadrant and an additional two passed midshipman for the crew.

Autographed letter signed from USS Powhatan, Callao, Peru, to Admiral George F. Emmons apologizing for not spending the evening with him and wishing him well on his cruise. He hopes to be of service to him some day.

Autographed letter signed to an unknown superior ordering a standard set of weights and measures.

Autographed letter signed to Secretary of the Navy Gideon Welles with his compliments and the presentation of photographs of Chinese forts captured in 1860 by the British and French and a view of the Paconer.

Letter to A.D. Barrett

Manuscript letter to Commodore Lewis Warrington, Chief of the Ordnance Bureau, regarding a requisition for Rocket Composition, a type of gunpowder.