From RROCA-info

20HP (1922-1929)

• Chassis Specifications
• Service Instructions
  • Valve and Ignition Timing Data
    • Timing Diagrams
• Owners Handbooks
• Wiring Diagrams
  • 'Practical'
  • 'Technical' with magneto omitted
• Service Bulletins
• Spare Parts
• Miscellaneous
  • Bob Clarke's collection of 20HP data
  • Demonstration of Pre-War Car Hub Removal
• Web Links
  • 20HPs in Australia
  • Bert Ward on 20HP Modifications
  • 75th Anniversary of the 20HP

N.B. Sections are empty where content is not yet available.