File of correspondence and reports relating to English Electric Aircraft Equipment Division, Bradford. Includes information on the following equipment manufactured at Bradford: type 512, 514 and 519 generators; actuators; Sundstrand drives; gearboxes; Napier commutators; starter generators; alternators; type 824 geared motor unit; torque motors; relays; constant speed drives. Also includes information on the following general and administrative subjects: failures to commitments; output of works; research on materials, including aluminium wire; agreements with other companies; personnel issues; Vickers and Rolls Royce; the English Electric Flying Club; and visits to the site.