Scale 1:192. Plan shows an outboard porfile and plan view, illustrating the rig arranment, as designed for the Indefatigable class battlecruiser Indefatigable (1909). The title of the drawing is "Amoured Cruiser to be Named Indefatigable Sketch of Rig". A note states in red ink that modifications are present on the fly drawing. The drawing bears the signature of Sir Phillip Watts [Director of Naval Construction 1902-1912].