Papers of John Alan Broughall, British Transport Commission Assistant Chief Electrical Engineer. Papers include electrification material and personal material. Includes papers written by John Alan Broughall focusing on railway electrification; correspondence including confidential letters from HG Ivatt and the Railway Executive, letter of resignation, notes of salary increase; photographs including groups of staff at Derby, groups at conferences and visits; menus; private papers such as obituaries, wedding invites; records relating to education including school reports; records relating to the First and Second World Wars; records relating to John Alan Broughall’s brother Laurence St Clair Broughall