History · Inventions and Inventors
एक अलग कंडेनसर (Separate Condenser) की शुरुआत करके भाप इंजन में सुधार किसने किया था?
- 1रॉबर्ट फुल्टन
- 2जॉर्ज स्टीफेंसन
- 3थॉमस न्यूकॉमेन
- 4जेम्स वाट✓
सही उत्तर देखें
जेम्स वाट
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