Elijah invented a lubricating oil for steam engines that allowed the steam trains to run faster.
Elijah McCoy, a African Canadian from the Canada, invented oil lubricators for steam engines in 1872.
Elijah McCoy, a African Canadian from the Canada, invented oil lubricators for steam engines in 1872.
Elijah McCoy, a African Canadian from the Canada, invented oil lubricators for steam engines in 1872.
splash system and pump system
A fraction of petroleum provides lubricating oils, which are obtained from the refining process of crude oil. Lubricating oils have specific viscosities and properties that make them suitable for reducing friction and wear in machinery and engines.
The C classification of oil is for diesel engines.
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Swedish born American John Erickson is credited with the invention of the fire engine. he worked with the solar energy,gravitational and tide, for high speed engines and electric engines
sheikh mohammed invented it
James Walt invented stem engines...
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