Ivor B. Hart

• James Watt And The History Of Steam Power
• Actors, Let's Talk Shop
• Forerunners of James Watt - the Early Pioneers of Steam Power
• James Watt
• James Watt and His Partners
• Makers of Science
• Makers Of Science Mathematics Physics Astronomy
• Mechanical Investigations of Leonardo Da Vinci
• The Great Engineers
• The great physicists
• The World of Leonardo
• The World of Leonardo da Vinci