Marker cones (aka boundary markers) are placed on the ground at specific locations and are designed to enable visual identification of runway boundaries. Colours and use must conform to Civil Aviation regulatory requirements.
These cones were manufactured for the Commonwealth Government Department of Civil Aviation.
Years of production/use
1950-1960s
Brands/products
Wunderlich
James Hardie
Goliath Portland Cement (Tasbestos)
Residential uses
–
Industrial uses
Aerodromes and airports
Be aware
If poorly maintained, will degrade over time when exposed to weathering.