This series contains original drawings relating to Australian light stations. Within the series are drawings of lighthouses, beacons, buildings, buoys, circuit diagrams, communications equipment, cylinder arrangements, generators, lanterns, lightning conductors, light-vessels, optical apparatus, sectors, site plans and towers.
The drawings that vary in size are mainly pen and ink with some pencil and a few watercolours.
The drawings are controlled by a two number (the primary number indicates the type of drawing and the secondary number is the drawing number eg CN-01-001, the 01 being a tower drawing and the 001 the drawing number) with 'CN' (Central Navaids) prefix.
A10182/2 - items CN-01-169 to CN-01-180 confirmed missing and indicator 42 applied to these items.See RKS 2018/4058