1275A General instruments Vol. I (section 24: automatic switches) 1803D Aircraft hydraulic equipment Dowty Vol.I Section: 9 Automatic valves 1803D Vol.I Book 2. Aircraft hydraulic equipment Dunlop Section 7: Manually-operated valves, 8: Automatic valves, 9: Electrically-operated valves, 10: Jacks and similar components, 11: Windscreen … 1803U Vol.I Aircraft hydraulic equipment Dowty Rotol Section 7: Manually-operated valves, 9: Automatic valves, 10: Mechanically-operated valves 4340 Aircraft pressurising and air conditioning equipment Vol.I Section 1: General information, 2: Refrigerators, 3: Heater systems, 4: Full-pressure-suit packs, 5: Non-automatic valves, 6: Automatic … 1469S Aircraft Automatic Stabilizers Section: 1 General, 2: Meteor, 3: Hunter, 4: Vulcan, 5: Canberra, 8: Victor, 9: Scimitar, 10: Javelin aircraft