Late in the 18th century, colza oil and rapeseed oil came into use as much cheaper substitutes.
12.
Colza oil was used extensively in European domestic lighting before the advent of Confederacy during the American Civil War.
13.
In some cases, colza oil with added color and flavor has been labeled and sold as olive oil.
14.
Pater Noster originally had a large first order Fresnel lens in its lantern and the flame originally ran on colza oil.
15.
Colza oil, derived from Brassica campestris, and a similar oil derived from rapeseed, yielded candles that produce clear, smokeless flames.
16.
It was painted white in 1845, and the same year the tower's lantern was installed, to house a colza oil lamp.
17.
It was first in New South Wales to use kerosene over colza oil, and the last to do so before converting to electric power.
18.
The French physical standard Carcel lamp consisted of a cylindrical Argand burner, and gave the standard brightness when 42 grammes of colza oil were consumed per hour.
19.
Among the more unusual applications of colza oil is the calming of choppy seas, where the oil modifies the surface tension of the water and rapidly smooths the surface.
20.
The original light source was a kerosene burner, the first of its kind in New South Wales, rather than colza oil one as used by other lighthouses of that period.
