Engineers, Royal Naval, since 1848 have ranked as commissioned officers; salaries vary from £110 to £639 a year; admission is by examination; duties include the entire oversight and management of the ship-machinery; there are three ranks—inspectors of machinery, chief engineers, and assistants, the latter being of three grades; in 1888 engineer studentships were created.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Enghien, Louis de Bourbon, Duc d' * Engineers, the Corps of Royal