Rupert Thomas Gould

• Enigmas; another book of unexplained facts
• A book of marvels
• Enigmas
• John Harrison and his timekeepers
• Marine Chronometer, Its History and Development. with a Foreword by Sir Frank W. Dyson
• Oddities
• The Loch Ness monster and others
• The marine chronometer
• The reconstruction of Harrison's first timekeeper