John Machray Ledingham
John Machray Ledingham (1849-1912)
1912 Obituary [1]
JOHN MACHRAY LEDINGHAM was born at Aberdeen in 1849.
He served his time at the Royal Laboratory, Woolwich, from 1865 to 1870, and then worked as a turner at the works of Maudslay, Sons and Field during 1870 and 1871.
In the latter year he was engaged by the Indian Government, and until 1876 he was foreman of fitters and turners at the Small Arms Ammunition Factory, Kirkee, Bombay.
In 1876 he returned to England and was appointed foreman at the Royal Laboratory; and in 1885 he became principal foreman. Three years later be was promoted to be assistant manager, and manager in 1890.
This position he held until his death, which took place at Woolwich on 22nd July 1912, at the age of sixty-three.
He became a Member of this Institution in 1890.