Proposed 21ft Steam gig (1883)

Scale 1:12. Plan shows the inboard profile and plan view of a 21ft steam gig (1883). A Devonport Dockyard Chief Constructor's stamp, bearing the signature of J. Angear [Chief Constructor of Devonport Dockyard 1883-1886] is present on the plan. The title of the drawing is "21ft Steam Gig fitted with compound surface condensing engine (Kingdom's Patent AS12E)".