[5] The firm's introduction of the groove-packed plug cock in 1875 was a major innovation because it made steam safety valves easier to operate.

[9][a] He was appointed Locomotive Superintendent of the Liverpool and Manchester Railway from 1840 to 1844 during which time his 2-2-2 designs at the Edge Hil workshops were noted for their neatness.

[11] In October 1845 he entered the employ of the Great Southern and Western Railway of Ireland and was selected from three candidates as Locomotive Superintendent in March 1847 at a salary of £300 pera anuum with housing assistance.

[13] He was then appointed Locomotive Superintendent by the rival Midland Great Western Railway (MGWR) of Ireland, again for £300 per annum with a house in Cabra Road, Dublin.

[15][5] Sir John Dewrance, who was educated at Charterhouse and then at King's College London before marrying the granddaughter of Richard Trevithick, took over the business in 1879.

[26] James McWaters Storey, the Managing Director, was appointed Commander of the Order of the British Empire in the 1959 New Year Honours.