Various scales. Plan shows the midship section and arrangement of the butts for the Arab class composite gunvessels Arab (1874) and Lily (1874). The signature of the Overseer at Napier's Shipyard in Govan J.S. Huddy (?) dated 9 September is printed on the drawing. The midship section is drawn at Scale 1:24 while the butts arrangement is drawn at Scale 1:48. The numbers "5147" and No. 333+4" are printed in the top left corner. This plan is fragile, torn and in need of conservation.