Drawing, 3 cylinder 2 stroke radial rotary petrol engine, ink / watercolour / paper, Lawrence Hargrave, Sydney, New South Wales, Australia, 1910
An ink and watercolour drawing on paper of a 3 cylinder 2 stroke radial rotary petrol engine. The drawing includes ink and pencil annotations by Hargrave. Two sketches on smaller pieces of paper are glued to the main drawing. The drawing is untitled and undated by Hargrave.
Pencil annotation by W. Hudson Shaw reads 'Design drawing for 3 cylinder Radial rotary 2 stroke petrol engine 28th Feb 1910. Further development of preliminary design drawing 47 13/2/10.'