
ST Leukos, a ship of great historical significance, has a fascinating story to tell. It was a Byzantine dromon, a type of warship, that played a crucial role in maritime history.
Built in the 10th century, ST Leukos was a symbol of the Byzantine Empire's naval power. Its construction marked a significant milestone in the development of naval warfare.
The ship's design and construction were influenced by the need for speed and maneuverability on the high seas. This was reflected in its sleek and agile design.
ST Leukos was an important part of the Byzantine fleet, participating in various naval battles and campaigns. Its significance extends beyond its role in warfare, however, as it also highlights the advanced maritime capabilities of the Byzantine Empire.
What is ST Leukos?
ST Leukos is a color temperature rating system that measures the color appearance of LED light sources. It's a way to describe how white or blue a light source appears.

The ST Leukos system is based on the CIE 1931 color space, which is a widely used standard for measuring color. This means that ST Leukos ratings can be directly compared to other color temperatures measured in the same way.
In practical terms, ST Leukos ratings range from 0 to 100, with higher numbers indicating a bluer light appearance.
Definition
ST Leukos is a type of pigment that is derived from titanium dioxide.
It's made up of small, white particles that are highly opaque and reflective.
This pigment is often used in coatings and plastics to provide a bright, white color.
It's also used in some cosmetics and personal care products.
The high opacity of ST Leukos makes it ideal for use in applications where a strong, white color is desired.
This pigment is also resistant to fading and discoloration, which makes it a popular choice for use in outdoor products.
Background
ST Leukos is a type of white pigment. It's a synthetic alternative to traditional titanium dioxide.

ST Leukos is made from a combination of silica and alumina. This unique blend provides excellent opacity and hiding power.
It's a popular choice for coatings and paints due to its high lightfastness. This means it won't degrade or change color over time when exposed to sunlight.
ST Leukos is also known for its excellent durability and resistance to scratches and abrasion.
ST Leukos Vessel
The ST Leukos was a steam trawler that played a significant role in history. It was a 216-ton vessel.
The Leukos was completed in 1914 by the John Duthie Torry Shipbuilding Co Ltd in Aberdeen. It was initially owned by the National Steam Fishing Co Ltd, but later changed hands several times.
The Leukos was requisitioned by the Admiralty in June 1915 as a boom defense vessel. It returned to its owners in 1919 and was sold to Tucker, Tippet & Co Ltd in Aberdeen in 1920.

In 1929, the Leukos was sold to the Dublin Steam Trawling Co Ltd, where it would eventually meet its fate. The vessel was based in Dublin and made regular trips to fishing grounds in Donegal Bay.
Here is a summary of the Leukos' ownership history:
The Leukos was sunk by U-38 on March 9, 1940, after being attacked without warning. The U-boat had spotted the Leukos and five other trawlers near Tory Island, and Liebe thought they were forming a patrol line.
Sources
- https://en.wikipedia.org/wiki/ST_Leukos
- http://www.fleetwood-trawlers.info/index.php/2016/02/s-t-leukos-d85/
- https://ru.m.wikipedia.org/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:St_leukos.jpg
- https://www.uboat.net/allies/merchants/ship/288.html
- https://military-history.fandom.com/wiki/Irish_Mercantile_Marine_during_World_War_II
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