Unnamed 20 ton ammunition barge (1911)
Scale 1:16. Plan shows the inboard profile, plan view, body plan and midship section of an unnamed 20 ton ammunition barge (1911). There is a note in red ink on the plan, dated 16 August 1911, regarding the building of 8 barges at Haulbowline. A second note in blue ink, dated 18 January 1915, gives details of construction changes to the barges.