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Harold Edward Dalzell (1881-1930)
1930 Obituary 
HAROLD EDWARD DALZELL had been associated with engineering in South America since 1906, when he entered the service of the Peruvian Corporation as draughtsman and engineer on the Southern Railway of Peru.
He was born in London in 1881 and was a bound apprentice to Messrs. H. Pontifex and Sons of Shoe Lane. He also attended classes at Battersea Polytechnic.
After a short period as outdoor superintendent for Messrs. Pontifex, he entered the service of Messrs. Mather and Platt as a draughtsman in 1902, while in 1905 he was appointed works manager at Clarke's Motor Works, Manchester.
The following year found him in Peru and in 1907 he became resident engineer on the Bajada Electric Mountain Railway at La Paz, Bolivia.
Two years later he was appointed chief mechanical and electrical engineer for the Guaqui to La Paz Railway and the Lake Titicaca Navigation, Bolivia, the latter employing six steamers.
In 1912 he was appointed in the same capacity for the whole of the southern system of the Peruvian Corporation, in whose service he continued until 1922.
In 1923 he was employed by the La Guaira and Caracas Railway Company to make a preliminary report for the electrification of the line. In 1924 he took the position of chief mechanical and electrical engineer to the San Paulo (Brazilian) Railway Company, but was forced to retire in 1929 owing to ill-health.
His death occurred on 18th May 1930.
Mr. Dalzell became an Associate Member of the Institution in 1910 and a Member in 1915. He was the inventor of the " D.L." oil-fuel burner which is in use on one or two of the Argentine railways.