Drawing, design for a ship propulsion system, ink / watercolour / pencil / paper, Lawrence Hargrave, Sydney, New South Wales, Australia, 1887
A design drawing for a ship propulsion system that is identified in W. Hudson Shaw's Schedule of Drawings as 'Early design for ship propelled with trochoided planes - 1887'.
Ink lettering 'No.49 SCALE 3/4 IN = 1 FOOT LAW. HARGRAVE'. Pencil annotation by W. Hudson Shaw reads: '1877 approx'.