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• History of Scuba Diving

  1. Early Innovations

  2. 19th Century Developments

  3. Modern Innovations
• Early Innovations

  • The 1300s: Small cauldron-shaped bell
  • 1690: Edmund Halley's improved bell
  • 1715: John Lethbridge's diving engine
• 19th Century Developments

  • 1823: Deane's smoke mask
  • 1825: James's scuba with air reservoir
  • 1837: Siebel's closed suit
• Modern Innovations

  • 1843: First diving school
  • 1866: Aerophore invention
  • 1943: Cousteau and Gagnan's modern SCUBA
• Aerophore Invention


  Cousteau's and gagnan's modern scuba
• Purposes of Scuba Diving

  • For Recreation and Exploration
  • For Technical and Commercial Purposes
  • For Military Applications
• Scuba Diving Requirements

  • Age, Health, and Disabilities
  • Swimming Skills
• Age, Health, and Disabilities

  • Age restrictions and certifications
  • Physical fitness and medical clearance
• Swimming Skills

  • water confidence
  • basic swimming skills
• Basic Scuba Diving Equipment


  • dive mask
  • snorkel tube
  • regulator
  • buoyancy control device or BCD
  • diving octopus
  • weight belt
• Additional Equipment

  • pressure gauge
  • scuba tank
  • fins
  • scuba or wet suit
  • other accessories
• Other Skills Needed in Scuba Diving

  1. Pre-dive to Ascending

  2. Safety checks and controlled descent

  3. Gradual ascent and proper signaling